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Finding the Fourth Proportional to 632,520.32, 872,861.31 and 374,410.58

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Solution

The fourth proportional to 632,520.32, 872,861.31 and 374,410.58 is: 516,676.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,520.32 : 872,861.31 = 374,410.58 : x
  2. Step 2: Convert to fraction form
    632,520.32/872,861.31 = 374,410.58/x
  3. Step 3: Cross multiply
    632,520.32x = 872,861.31 × 374,410.58
  4. Step 4: Simplify right side
    632,520.32x = 326,808,509,336.66
  5. Step 5: Solve for x
    x = 326,808,509,336.66/632,520.32
  6. Step 6: Final answer
    x = 516,676.70

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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.