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Finding the Fourth Proportional to 453,127.38, 625,331.82 and 249,193.80

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Solution

The fourth proportional to 453,127.38, 625,331.82 and 249,193.80 is: 343,896.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,127.38 : 625,331.82 = 249,193.80 : x
  2. Step 2: Convert to fraction form
    453,127.38/625,331.82 = 249,193.80/x
  3. Step 3: Cross multiply
    453,127.38x = 625,331.82 × 249,193.80
  4. Step 4: Simplify right side
    453,127.38x = 155,828,812,486.72
  5. Step 5: Solve for x
    x = 155,828,812,486.72/453,127.38
  6. Step 6: Final answer
    x = 343,896.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.