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Finding the Fourth Proportional to 383,281.60, 574,922.40 and 146,502.40

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Solution

The fourth proportional to 383,281.60, 574,922.40 and 146,502.40 is: 219,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,281.60 : 574,922.40 = 146,502.40 : x
  2. Step 2: Convert to fraction form
    383,281.60/574,922.40 = 146,502.40/x
  3. Step 3: Cross multiply
    383,281.60x = 574,922.40 × 146,502.40
  4. Step 4: Simplify right side
    383,281.60x = 84,227,511,413.76
  5. Step 5: Solve for x
    x = 84,227,511,413.76/383,281.60
  6. Step 6: Final answer
    x = 219,753.60

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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.