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Finding the Fourth Proportional to 442,830.60, 664,310.70 and 232,484.40

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Solution

The fourth proportional to 442,830.60, 664,310.70 and 232,484.40 is: 348,760.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,830.60 : 664,310.70 = 232,484.40 : x
  2. Step 2: Convert to fraction form
    442,830.60/664,310.70 = 232,484.40/x
  3. Step 3: Cross multiply
    442,830.60x = 664,310.70 × 232,484.40
  4. Step 4: Simplify right side
    442,830.60x = 154,441,874,503.08
  5. Step 5: Solve for x
    x = 154,441,874,503.08/442,830.60
  6. Step 6: Final answer
    x = 348,760.62

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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.