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Finding the Fourth Proportional to 585,886.27, 878,926.79 and 201,619.78

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Solution

The fourth proportional to 585,886.27, 878,926.79 and 201,619.78 is: 302,463.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,886.27 : 878,926.79 = 201,619.78 : x
  2. Step 2: Convert to fraction form
    585,886.27/878,926.79 = 201,619.78/x
  3. Step 3: Cross multiply
    585,886.27x = 878,926.79 × 201,619.78
  4. Step 4: Simplify right side
    585,886.27x = 177,209,026,035.91
  5. Step 5: Solve for x
    x = 177,209,026,035.91/585,886.27
  6. Step 6: Final answer
    x = 302,463.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.