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Finding the Fourth Proportional to 418,767.41, 578,001.67 and 237,585.39

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Solution

The fourth proportional to 418,767.41, 578,001.67 and 237,585.39 is: 327,926.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,767.41 : 578,001.67 = 237,585.39 : x
  2. Step 2: Convert to fraction form
    418,767.41/578,001.67 = 237,585.39/x
  3. Step 3: Cross multiply
    418,767.41x = 578,001.67 × 237,585.39
  4. Step 4: Simplify right side
    418,767.41x = 137,324,752,187.60
  5. Step 5: Solve for x
    x = 137,324,752,187.60/418,767.41
  6. Step 6: Final answer
    x = 327,926.07

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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.