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Finding the Fourth Proportional to 338,337.61, 466,905.67 and 185,385.72

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Solution

The fourth proportional to 338,337.61, 466,905.67 and 185,385.72 is: 255,832.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,337.61 : 466,905.67 = 185,385.72 : x
  2. Step 2: Convert to fraction form
    338,337.61/466,905.67 = 185,385.72/x
  3. Step 3: Cross multiply
    338,337.61x = 466,905.67 × 185,385.72
  4. Step 4: Simplify right side
    338,337.61x = 86,557,643,805.03
  5. Step 5: Solve for x
    x = 86,557,643,805.03/338,337.61
  6. Step 6: Final answer
    x = 255,832.17

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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.