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Finding the Fourth Proportional to 458,441.60, 687,662.40 and 332,470.40

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Solution

The fourth proportional to 458,441.60, 687,662.40 and 332,470.40 is: 498,705.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,441.60 : 687,662.40 = 332,470.40 : x
  2. Step 2: Convert to fraction form
    458,441.60/687,662.40 = 332,470.40/x
  3. Step 3: Cross multiply
    458,441.60x = 687,662.40 × 332,470.40
  4. Step 4: Simplify right side
    458,441.60x = 228,627,393,192.96
  5. Step 5: Solve for x
    x = 228,627,393,192.96/458,441.60
  6. Step 6: Final answer
    x = 498,705.60

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1.5x scale

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.