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Finding the Fourth Proportional to 546,271.27, 817,818.80 and 317,870.79

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Solution

The fourth proportional to 546,271.27, 817,818.80 and 317,870.79 is: 475,882.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,271.27 : 817,818.80 = 317,870.79 : x
  2. Step 2: Convert to fraction form
    546,271.27/817,818.80 = 317,870.79/x
  3. Step 3: Cross multiply
    546,271.27x = 817,818.80 × 317,870.79
  4. Step 4: Simplify right side
    546,271.27x = 259,960,703,376.68
  5. Step 5: Solve for x
    x = 259,960,703,376.68/546,271.27
  6. Step 6: Final answer
    x = 475,882.07

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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.