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Finding the Fourth Proportional to 719,010.67, 992,594.24 and 447,166.12

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Solution

The fourth proportional to 719,010.67, 992,594.24 and 447,166.12 is: 617,312.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,010.67 : 992,594.24 = 447,166.12 : x
  2. Step 2: Convert to fraction form
    719,010.67/992,594.24 = 447,166.12/x
  3. Step 3: Cross multiply
    719,010.67x = 992,594.24 × 447,166.12
  4. Step 4: Simplify right side
    719,010.67x = 443,854,515,035.15
  5. Step 5: Solve for x
    x = 443,854,515,035.15/719,010.67
  6. Step 6: Final answer
    x = 617,312.83

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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.