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Finding the Fourth Proportional to 549,367.70, 822,772.11 and 534,233.18

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Solution

The fourth proportional to 549,367.70, 822,772.11 and 534,233.18 is: 800,105.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,367.70 : 822,772.11 = 534,233.18 : x
  2. Step 2: Convert to fraction form
    549,367.70/822,772.11 = 534,233.18/x
  3. Step 3: Cross multiply
    549,367.70x = 822,772.11 × 534,233.18
  4. Step 4: Simplify right side
    549,367.70x = 439,552,160,740.61
  5. Step 5: Solve for x
    x = 439,552,160,740.61/549,367.70
  6. Step 6: Final answer
    x = 800,105.58

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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.