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Finding the Fourth Proportional to 385,900.39, 532,561.53 and 232,936.15

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Solution

The fourth proportional to 385,900.39, 532,561.53 and 232,936.15 is: 321,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,900.39 : 532,561.53 = 232,936.15 : x
  2. Step 2: Convert to fraction form
    385,900.39/532,561.53 = 232,936.15/x
  3. Step 3: Cross multiply
    385,900.39x = 532,561.53 × 232,936.15
  4. Step 4: Simplify right side
    385,900.39x = 124,052,832,436.31
  5. Step 5: Solve for x
    x = 124,052,832,436.31/385,900.39
  6. Step 6: Final answer
    x = 321,463.35

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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.