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Finding the Fourth Proportional to 352,658.00, 486,641.06 and 207,469.55

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Solution

The fourth proportional to 352,658.00, 486,641.06 and 207,469.55 is: 286,292.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,658.00 : 486,641.06 = 207,469.55 : x
  2. Step 2: Convert to fraction form
    352,658.00/486,641.06 = 207,469.55/x
  3. Step 3: Cross multiply
    352,658.00x = 486,641.06 × 207,469.55
  4. Step 4: Simplify right side
    352,658.00x = 100,963,203,854.01
  5. Step 5: Solve for x
    x = 100,963,203,854.01/352,658.00
  6. Step 6: Final answer
    x = 286,292.11

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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.