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Finding the Fourth Proportional to 348,527.30, 522,790.95 and 345,902.90

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Solution

The fourth proportional to 348,527.30, 522,790.95 and 345,902.90 is: 518,854.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,527.30 : 522,790.95 = 345,902.90 : x
  2. Step 2: Convert to fraction form
    348,527.30/522,790.95 = 345,902.90/x
  3. Step 3: Cross multiply
    348,527.30x = 522,790.95 × 345,902.90
  4. Step 4: Simplify right side
    348,527.30x = 180,834,905,698.76
  5. Step 5: Solve for x
    x = 180,834,905,698.76/348,527.30
  6. Step 6: Final answer
    x = 518,854.35

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Similar ratio
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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.