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Finding the Fourth Proportional to 632,089.62, 872,253.09 and 360,221.22

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Solution

The fourth proportional to 632,089.62, 872,253.09 and 360,221.22 is: 497,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,089.62 : 872,253.09 = 360,221.22 : x
  2. Step 2: Convert to fraction form
    632,089.62/872,253.09 = 360,221.22/x
  3. Step 3: Cross multiply
    632,089.62x = 872,253.09 × 360,221.22
  4. Step 4: Simplify right side
    632,089.62x = 314,204,072,228.57
  5. Step 5: Solve for x
    x = 314,204,072,228.57/632,089.62
  6. Step 6: Final answer
    x = 497,087.85

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Double scale
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1.5x scale

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.