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Finding the Fourth Proportional to 713,250.68, 982,631.68 and 498,049.88

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Solution

The fourth proportional to 713,250.68, 982,631.68 and 498,049.88 is: 686,153.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,250.68 : 982,631.68 = 498,049.88 : x
  2. Step 2: Convert to fraction form
    713,250.68/982,631.68 = 498,049.88/x
  3. Step 3: Cross multiply
    713,250.68x = 982,631.68 × 498,049.88
  4. Step 4: Simplify right side
    713,250.68x = 489,399,582,904.79
  5. Step 5: Solve for x
    x = 489,399,582,904.79/713,250.68
  6. Step 6: Final answer
    x = 686,153.69

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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.