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Finding the Fourth Proportional to 458,780.90, 633,167.55 and 277,592.81

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Solution

The fourth proportional to 458,780.90, 633,167.55 and 277,592.81 is: 383,108.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,780.90 : 633,167.55 = 277,592.81 : x
  2. Step 2: Convert to fraction form
    458,780.90/633,167.55 = 277,592.81/x
  3. Step 3: Cross multiply
    458,780.90x = 633,167.55 × 277,592.81
  4. Step 4: Simplify right side
    458,780.90x = 175,762,756,239.48
  5. Step 5: Solve for x
    x = 175,762,756,239.48/458,780.90
  6. Step 6: Final answer
    x = 383,108.27

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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.