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Finding the Fourth Proportional to 453,062.48, 625,242.24 and 249,128.96

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Solution

The fourth proportional to 453,062.48, 625,242.24 and 249,128.96 is: 343,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,062.48 : 625,242.24 = 249,128.96 : x
  2. Step 2: Convert to fraction form
    453,062.48/625,242.24 = 249,128.96/x
  3. Step 3: Cross multiply
    453,062.48x = 625,242.24 × 249,128.96
  4. Step 4: Simplify right side
    453,062.48x = 155,765,948,999.27
  5. Step 5: Solve for x
    x = 155,765,948,999.27/453,062.48
  6. Step 6: Final answer
    x = 343,806.77

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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.