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Finding the Fourth Proportional to 624,333.62, 861,597.61 and 379,235.52

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Solution

The fourth proportional to 624,333.62, 861,597.61 and 379,235.52 is: 523,355.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,333.62 : 861,597.61 = 379,235.52 : x
  2. Step 2: Convert to fraction form
    624,333.62/861,597.61 = 379,235.52/x
  3. Step 3: Cross multiply
    624,333.62x = 861,597.61 × 379,235.52
  4. Step 4: Simplify right side
    624,333.62x = 326,748,416,711.02
  5. Step 5: Solve for x
    x = 326,748,416,711.02/624,333.62
  6. Step 6: Final answer
    x = 523,355.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.