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Finding the Fourth Proportional to 533,089.62, 735,643.50 and 291,370.20

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Solution

The fourth proportional to 533,089.62, 735,643.50 and 291,370.20 is: 402,079.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,089.62 : 735,643.50 = 291,370.20 : x
  2. Step 2: Convert to fraction form
    533,089.62/735,643.50 = 291,370.20/x
  3. Step 3: Cross multiply
    533,089.62x = 735,643.50 × 291,370.20
  4. Step 4: Simplify right side
    533,089.62x = 214,344,593,723.70
  5. Step 5: Solve for x
    x = 214,344,593,723.70/533,089.62
  6. Step 6: Final answer
    x = 402,079.85

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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.