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Finding the Fourth Proportional to 348,833.60, 523,250.40 and 331,630.40

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Solution

The fourth proportional to 348,833.60, 523,250.40 and 331,630.40 is: 497,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,833.60 : 523,250.40 = 331,630.40 : x
  2. Step 2: Convert to fraction form
    348,833.60/523,250.40 = 331,630.40/x
  3. Step 3: Cross multiply
    348,833.60x = 523,250.40 × 331,630.40
  4. Step 4: Simplify right side
    348,833.60x = 173,525,739,452.16
  5. Step 5: Solve for x
    x = 173,525,739,452.16/348,833.60
  6. Step 6: Final answer
    x = 497,445.60

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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.