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Finding the Fourth Proportional to 523,520.64, 721,595.84 and 370,360.96

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Solution

The fourth proportional to 523,520.64, 721,595.84 and 370,360.96 is: 510,487.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,520.64 : 721,595.84 = 370,360.96 : x
  2. Step 2: Convert to fraction form
    523,520.64/721,595.84 = 370,360.96/x
  3. Step 3: Cross multiply
    523,520.64x = 721,595.84 × 370,360.96
  4. Step 4: Simplify right side
    523,520.64x = 267,250,928,034.41
  5. Step 5: Solve for x
    x = 267,250,928,034.41/523,520.64
  6. Step 6: Final answer
    x = 510,487.85

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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.