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Finding the Fourth Proportional to 632,081.82, 872,266.95 and 345,598.86

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Solution

The fourth proportional to 632,081.82, 872,266.95 and 345,598.86 is: 476,923.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,081.82 : 872,266.95 = 345,598.86 : x
  2. Step 2: Convert to fraction form
    632,081.82/872,266.95 = 345,598.86/x
  3. Step 3: Cross multiply
    632,081.82x = 872,266.95 × 345,598.86
  4. Step 4: Simplify right side
    632,081.82x = 301,454,463,535.68
  5. Step 5: Solve for x
    x = 301,454,463,535.68/632,081.82
  6. Step 6: Final answer
    x = 476,923.17

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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.