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Finding the Fourth Proportional to 493,356.71, 740,035.22 and 173,744.58

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Solution

The fourth proportional to 493,356.71, 740,035.22 and 173,744.58 is: 260,616.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,356.71 : 740,035.22 = 173,744.58 : x
  2. Step 2: Convert to fraction form
    493,356.71/740,035.22 = 173,744.58/x
  3. Step 3: Cross multiply
    493,356.71x = 740,035.22 × 173,744.58
  4. Step 4: Simplify right side
    493,356.71x = 128,577,108,484.11
  5. Step 5: Solve for x
    x = 128,577,108,484.11/493,356.71
  6. Step 6: Final answer
    x = 260,616.92

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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.