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Finding the Fourth Proportional to 458,763.71, 633,143.55 and 277,575.53

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Solution

The fourth proportional to 458,763.71, 633,143.55 and 277,575.53 is: 383,084.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,763.71 : 633,143.55 = 277,575.53 : x
  2. Step 2: Convert to fraction form
    458,763.71/633,143.55 = 277,575.53/x
  3. Step 3: Cross multiply
    458,763.71x = 633,143.55 × 277,575.53
  4. Step 4: Simplify right side
    458,763.71x = 175,745,153,291.61
  5. Step 5: Solve for x
    x = 175,745,153,291.61/458,763.71
  6. Step 6: Final answer
    x = 383,084.26

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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.