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Finding the Fourth Proportional to 386,159.60, 532,900.41 and 235,256.60

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Solution

The fourth proportional to 386,159.60, 532,900.41 and 235,256.60 is: 324,654.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,159.60 : 532,900.41 = 235,256.60 : x
  2. Step 2: Convert to fraction form
    386,159.60/532,900.41 = 235,256.60/x
  3. Step 3: Cross multiply
    386,159.60x = 532,900.41 × 235,256.60
  4. Step 4: Simplify right side
    386,159.60x = 125,368,338,595.21
  5. Step 5: Solve for x
    x = 125,368,338,595.21/386,159.60
  6. Step 6: Final answer
    x = 324,654.21

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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.