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Finding the Fourth Proportional to 562,096.92, 775,712.18 and 307,448.12

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Solution

The fourth proportional to 562,096.92, 775,712.18 and 307,448.12 is: 424,288.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,096.92 : 775,712.18 = 307,448.12 : x
  2. Step 2: Convert to fraction form
    562,096.92/775,712.18 = 307,448.12/x
  3. Step 3: Cross multiply
    562,096.92x = 775,712.18 × 307,448.12
  4. Step 4: Simplify right side
    562,096.92x = 238,491,251,402.10
  5. Step 5: Solve for x
    x = 238,491,251,402.10/562,096.92
  6. Step 6: Final answer
    x = 424,288.49

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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.