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Finding the Fourth Proportional to 546,075.40, 819,113.10 and 166,995.40

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Solution

The fourth proportional to 546,075.40, 819,113.10 and 166,995.40 is: 250,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,075.40 : 819,113.10 = 166,995.40 : x
  2. Step 2: Convert to fraction form
    546,075.40/819,113.10 = 166,995.40/x
  3. Step 3: Cross multiply
    546,075.40x = 819,113.10 × 166,995.40
  4. Step 4: Simplify right side
    546,075.40x = 136,788,119,779.74
  5. Step 5: Solve for x
    x = 136,788,119,779.74/546,075.40
  6. Step 6: Final answer
    x = 250,493.10

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.