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Finding the Fourth Proportional to 354,923.60, 532,385.40 and 325,893.20

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Solution

The fourth proportional to 354,923.60, 532,385.40 and 325,893.20 is: 488,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,923.60 : 532,385.40 = 325,893.20 : x
  2. Step 2: Convert to fraction form
    354,923.60/532,385.40 = 325,893.20/x
  3. Step 3: Cross multiply
    354,923.60x = 532,385.40 × 325,893.20
  4. Step 4: Simplify right side
    354,923.60x = 173,500,781,639.28
  5. Step 5: Solve for x
    x = 173,500,781,639.28/354,923.60
  6. Step 6: Final answer
    x = 488,839.80

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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.