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Finding the Fourth Proportional to 624,002.59, 934,166.80 and 386,581.87

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Solution

The fourth proportional to 624,002.59, 934,166.80 and 386,581.87 is: 578,734.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,002.59 : 934,166.80 = 386,581.87 : x
  2. Step 2: Convert to fraction form
    624,002.59/934,166.80 = 386,581.87/x
  3. Step 3: Cross multiply
    624,002.59x = 934,166.80 × 386,581.87
  4. Step 4: Simplify right side
    624,002.59x = 361,131,948,435.92
  5. Step 5: Solve for x
    x = 361,131,948,435.92/624,002.59
  6. Step 6: Final answer
    x = 578,734.69

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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.