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Finding the Fourth Proportional to 1,057.92, 1,459.94 and 592.17

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Solution

The fourth proportional to 1,057.92, 1,459.94 and 592.17 is: 817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057.92 : 1,459.94 = 592.17 : x
  2. Step 2: Convert to fraction form
    1,057.92/1,459.94 = 592.17/x
  3. Step 3: Cross multiply
    1,057.92x = 1,459.94 × 592.17
  4. Step 4: Simplify right side
    1,057.92x = 864,529.71
  5. Step 5: Solve for x
    x = 864,529.71/1,057.92
  6. Step 6: Final answer
    x = 817.20

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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.