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Finding the Fourth Proportional to 817,720.16, 1,226,165.52 and 374,108

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Solution

The fourth proportional to 817,720.16, 1,226,165.52 and 374,108 is: 560,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,720.16 : 1,226,165.52 = 374,108 : x
  2. Step 2: Convert to fraction form
    817,720.16/1,226,165.52 = 374,108/x
  3. Step 3: Cross multiply
    817,720.16x = 1,226,165.52 × 374,108
  4. Step 4: Simplify right side
    817,720.16x = 458,718,330,356.16
  5. Step 5: Solve for x
    x = 458,718,330,356.16/817,720.16
  6. Step 6: Final answer
    x = 560,972.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.