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Finding the Fourth Proportional to 566,595.52, 781,887.66 and 321,626.02

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Solution

The fourth proportional to 566,595.52, 781,887.66 and 321,626.02 is: 443,835.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,595.52 : 781,887.66 = 321,626.02 : x
  2. Step 2: Convert to fraction form
    566,595.52/781,887.66 = 321,626.02/x
  3. Step 3: Cross multiply
    566,595.52x = 781,887.66 × 321,626.02
  4. Step 4: Simplify right side
    566,595.52x = 251,475,416,172.91
  5. Step 5: Solve for x
    x = 251,475,416,172.91/566,595.52
  6. Step 6: Final answer
    x = 443,835.87

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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.