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Finding the Fourth Proportional to 493,363.60, 680,843.82 and 267,009.08

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Solution

The fourth proportional to 493,363.60, 680,843.82 and 267,009.08 is: 368,473.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,363.60 : 680,843.82 = 267,009.08 : x
  2. Step 2: Convert to fraction form
    493,363.60/680,843.82 = 267,009.08/x
  3. Step 3: Cross multiply
    493,363.60x = 680,843.82 × 267,009.08
  4. Step 4: Simplify right side
    493,363.60x = 181,791,482,001.89
  5. Step 5: Solve for x
    x = 181,791,482,001.89/493,363.60
  6. Step 6: Final answer
    x = 368,473.64

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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.