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Finding the Fourth Proportional to 453,057.72, 625,235.72 and 249,124.18

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Solution

The fourth proportional to 453,057.72, 625,235.72 and 249,124.18 is: 343,800.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,057.72 : 625,235.72 = 249,124.18 : x
  2. Step 2: Convert to fraction form
    453,057.72/625,235.72 = 249,124.18/x
  3. Step 3: Cross multiply
    453,057.72x = 625,235.72 × 249,124.18
  4. Step 4: Simplify right side
    453,057.72x = 155,761,336,051.71
  5. Step 5: Solve for x
    x = 155,761,336,051.71/453,057.72
  6. Step 6: Final answer
    x = 343,800.20

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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.