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Finding the Fourth Proportional to 587,057.40, 810,292.14 and 547,166.52

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Solution

The fourth proportional to 587,057.40, 810,292.14 and 547,166.52 is: 755,232.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,057.40 : 810,292.14 = 547,166.52 : x
  2. Step 2: Convert to fraction form
    587,057.40/810,292.14 = 547,166.52/x
  3. Step 3: Cross multiply
    587,057.40x = 810,292.14 × 547,166.52
  4. Step 4: Simplify right side
    587,057.40x = 443,364,730,427.15
  5. Step 5: Solve for x
    x = 443,364,730,427.15/587,057.40
  6. Step 6: Final answer
    x = 755,232.33

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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.