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Finding the Fourth Proportional to 707,082.02, 1,060,200 and 479,657.12

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Solution

The fourth proportional to 707,082.02, 1,060,200 and 479,657.12 is: 719,198.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,082.02 : 1,060,200 = 479,657.12 : x
  2. Step 2: Convert to fraction form
    707,082.02/1,060,200 = 479,657.12/x
  3. Step 3: Cross multiply
    707,082.02x = 1,060,200 × 479,657.12
  4. Step 4: Simplify right side
    707,082.02x = 508,532,478,624
  5. Step 5: Solve for x
    x = 508,532,478,624/707,082.02
  6. Step 6: Final answer
    x = 719,198.71

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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.