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Finding the Fourth Proportional to 546,057.90, 819,455.90 and 191,075

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Solution

The fourth proportional to 546,057.90, 819,455.90 and 191,075 is: 286,741.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,057.90 : 819,455.90 = 191,075 : x
  2. Step 2: Convert to fraction form
    546,057.90/819,455.90 = 191,075/x
  3. Step 3: Cross multiply
    546,057.90x = 819,455.90 × 191,075
  4. Step 4: Simplify right side
    546,057.90x = 156,577,536,092.50
  5. Step 5: Solve for x
    x = 156,577,536,092.50/546,057.90
  6. Step 6: Final answer
    x = 286,741.64

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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.