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Finding the Fourth Proportional to 658,044.04, 908,102.82 and 356,237.32

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Solution

The fourth proportional to 658,044.04, 908,102.82 and 356,237.32 is: 491,608.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,044.04 : 908,102.82 = 356,237.32 : x
  2. Step 2: Convert to fraction form
    658,044.04/908,102.82 = 356,237.32/x
  3. Step 3: Cross multiply
    658,044.04x = 908,102.82 × 356,237.32
  4. Step 4: Simplify right side
    658,044.04x = 323,500,114,881.24
  5. Step 5: Solve for x
    x = 323,500,114,881.24/658,044.04
  6. Step 6: Final answer
    x = 491,608.61

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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.