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Finding the Fourth Proportional to 569,138.35, 853,707.53 and 536,479.15

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Solution

The fourth proportional to 569,138.35, 853,707.53 and 536,479.15 is: 804,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,138.35 : 853,707.53 = 536,479.15 : x
  2. Step 2: Convert to fraction form
    569,138.35/853,707.53 = 536,479.15/x
  3. Step 3: Cross multiply
    569,138.35x = 853,707.53 × 536,479.15
  4. Step 4: Simplify right side
    569,138.35x = 457,996,287,360.60
  5. Step 5: Solve for x
    x = 457,996,287,360.60/569,138.35
  6. Step 6: Final answer
    x = 804,718.73

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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.