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Finding the Fourth Proportional to 442,715.52, 610,871.15 and 249,096.36

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Solution

The fourth proportional to 442,715.52, 610,871.15 and 249,096.36 is: 343,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,715.52 : 610,871.15 = 249,096.36 : x
  2. Step 2: Convert to fraction form
    442,715.52/610,871.15 = 249,096.36/x
  3. Step 3: Cross multiply
    442,715.52x = 610,871.15 × 249,096.36
  4. Step 4: Simplify right side
    442,715.52x = 152,165,779,894.01
  5. Step 5: Solve for x
    x = 152,165,779,894.01/442,715.52
  6. Step 6: Final answer
    x = 343,710.06

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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.