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Finding the Fourth Proportional to 544,075.80, 816,113.70 and 292,133.40

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Solution

The fourth proportional to 544,075.80, 816,113.70 and 292,133.40 is: 438,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,075.80 : 816,113.70 = 292,133.40 : x
  2. Step 2: Convert to fraction form
    544,075.80/816,113.70 = 292,133.40/x
  3. Step 3: Cross multiply
    544,075.80x = 816,113.70 × 292,133.40
  4. Step 4: Simplify right side
    544,075.80x = 238,414,069,967.58
  5. Step 5: Solve for x
    x = 238,414,069,967.58/544,075.80
  6. Step 6: Final answer
    x = 438,200.10

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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.