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Finding the Fourth Proportional to 466,875.53, 644,279.48 and 285,574.14

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Solution

The fourth proportional to 466,875.53, 644,279.48 and 285,574.14 is: 394,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,875.53 : 644,279.48 = 285,574.14 : x
  2. Step 2: Convert to fraction form
    466,875.53/644,279.48 = 285,574.14/x
  3. Step 3: Cross multiply
    466,875.53x = 644,279.48 × 285,574.14
  4. Step 4: Simplify right side
    466,875.53x = 183,989,558,420.65
  5. Step 5: Solve for x
    x = 183,989,558,420.65/466,875.53
  6. Step 6: Final answer
    x = 394,086.96

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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.