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Finding the Fourth Proportional to 717,462.46, 990,168.17 and 535,859.24

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Solution

The fourth proportional to 717,462.46, 990,168.17 and 535,859.24 is: 739,538.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,462.46 : 990,168.17 = 535,859.24 : x
  2. Step 2: Convert to fraction form
    717,462.46/990,168.17 = 535,859.24/x
  3. Step 3: Cross multiply
    717,462.46x = 990,168.17 × 535,859.24
  4. Step 4: Simplify right side
    717,462.46x = 530,590,766,863.46
  5. Step 5: Solve for x
    x = 530,590,766,863.46/717,462.46
  6. Step 6: Final answer
    x = 739,538.02

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Double scale
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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.