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Finding the Fourth Proportional to 482,774.80, 724,853.40 and 272,822.80

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Solution

The fourth proportional to 482,774.80, 724,853.40 and 272,822.80 is: 409,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,774.80 : 724,853.40 = 272,822.80 : x
  2. Step 2: Convert to fraction form
    482,774.80/724,853.40 = 272,822.80/x
  3. Step 3: Cross multiply
    482,774.80x = 724,853.40 × 272,822.80
  4. Step 4: Simplify right side
    482,774.80x = 197,756,534,177.52
  5. Step 5: Solve for x
    x = 197,756,534,177.52/482,774.80
  6. Step 6: Final answer
    x = 409,624.81

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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.