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Finding the Fourth Proportional to 717,453.68, 990,156.02 and 535,850.46

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Solution

The fourth proportional to 717,453.68, 990,156.02 and 535,850.46 is: 739,525.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,453.68 : 990,156.02 = 535,850.46 : x
  2. Step 2: Convert to fraction form
    717,453.68/990,156.02 = 535,850.46/x
  3. Step 3: Cross multiply
    717,453.68x = 990,156.02 × 535,850.46
  4. Step 4: Simplify right side
    717,453.68x = 530,575,556,109.52
  5. Step 5: Solve for x
    x = 530,575,556,109.52/717,453.68
  6. Step 6: Final answer
    x = 739,525.87

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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.