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Finding the Fourth Proportional to 442,717.28, 610,873.56 and 249,098.12

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Solution

The fourth proportional to 442,717.28, 610,873.56 and 249,098.12 is: 343,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,717.28 : 610,873.56 = 249,098.12 : x
  2. Step 2: Convert to fraction form
    442,717.28/610,873.56 = 249,098.12/x
  3. Step 3: Cross multiply
    442,717.28x = 610,873.56 × 249,098.12
  4. Step 4: Simplify right side
    442,717.28x = 152,167,455,353.71
  5. Step 5: Solve for x
    x = 152,167,455,353.71/442,717.28
  6. Step 6: Final answer
    x = 343,712.48

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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.