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Finding the Fourth Proportional to 632,781.30, 873,253.24 and 360,875.22

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Solution

The fourth proportional to 632,781.30, 873,253.24 and 360,875.22 is: 498,016.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,781.30 : 873,253.24 = 360,875.22 : x
  2. Step 2: Convert to fraction form
    632,781.30/873,253.24 = 360,875.22/x
  3. Step 3: Cross multiply
    632,781.30x = 873,253.24 × 360,875.22
  4. Step 4: Simplify right side
    632,781.30x = 315,135,455,100.71
  5. Step 5: Solve for x
    x = 315,135,455,100.71/632,781.30
  6. Step 6: Final answer
    x = 498,016.38

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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.