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Finding the Fourth Proportional to 590,963.60, 886,445.40 and 538,432.40

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Solution

The fourth proportional to 590,963.60, 886,445.40 and 538,432.40 is: 807,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,963.60 : 886,445.40 = 538,432.40 : x
  2. Step 2: Convert to fraction form
    590,963.60/886,445.40 = 538,432.40/x
  3. Step 3: Cross multiply
    590,963.60x = 886,445.40 × 538,432.40
  4. Step 4: Simplify right side
    590,963.60x = 477,290,924,190.96
  5. Step 5: Solve for x
    x = 477,290,924,190.96/590,963.60
  6. Step 6: Final answer
    x = 807,648.60

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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.