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Finding the Fourth Proportional to 478,017.67, 717,063.23 and 123,035.17

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Solution

The fourth proportional to 478,017.67, 717,063.23 and 123,035.17 is: 184,562.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,017.67 : 717,063.23 = 123,035.17 : x
  2. Step 2: Convert to fraction form
    478,017.67/717,063.23 = 123,035.17/x
  3. Step 3: Cross multiply
    478,017.67x = 717,063.23 × 123,035.17
  4. Step 4: Simplify right side
    478,017.67x = 88,223,996,403.80
  5. Step 5: Solve for x
    x = 88,223,996,403.80/478,017.67
  6. Step 6: Final answer
    x = 184,562.21

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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.