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Finding the Fourth Proportional to 625,660.29, 936,248.40 and 541,710.45

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Solution

The fourth proportional to 625,660.29, 936,248.40 and 541,710.45 is: 810,624.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,660.29 : 936,248.40 = 541,710.45 : x
  2. Step 2: Convert to fraction form
    625,660.29/936,248.40 = 541,710.45/x
  3. Step 3: Cross multiply
    625,660.29x = 936,248.40 × 541,710.45
  4. Step 4: Simplify right side
    625,660.29x = 507,175,542,075.78
  5. Step 5: Solve for x
    x = 507,175,542,075.78/625,660.29
  6. Step 6: Final answer
    x = 810,624.47

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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.