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Finding the Fourth Proportional to 482,905.60, 724,455.60 and 404,562.40

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Solution

The fourth proportional to 482,905.60, 724,455.60 and 404,562.40 is: 606,925.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,905.60 : 724,455.60 = 404,562.40 : x
  2. Step 2: Convert to fraction form
    482,905.60/724,455.60 = 404,562.40/x
  3. Step 3: Cross multiply
    482,905.60x = 724,455.60 × 404,562.40
  4. Step 4: Simplify right side
    482,905.60x = 293,087,496,229.44
  5. Step 5: Solve for x
    x = 293,087,496,229.44/482,905.60
  6. Step 6: Final answer
    x = 606,925.03

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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.