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Finding the Fourth Proportional to 472,679.61, 652,617.27 and 363,590.22

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Solution

The fourth proportional to 472,679.61, 652,617.27 and 363,590.22 is: 502,000.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,679.61 : 652,617.27 = 363,590.22 : x
  2. Step 2: Convert to fraction form
    472,679.61/652,617.27 = 363,590.22/x
  3. Step 3: Cross multiply
    472,679.61x = 652,617.27 × 363,590.22
  4. Step 4: Simplify right side
    472,679.61x = 237,285,256,775.10
  5. Step 5: Solve for x
    x = 237,285,256,775.10/472,679.61
  6. Step 6: Final answer
    x = 502,000.20

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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.