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Finding the Fourth Proportional to 508,907.46, 762,198.51 and 242,854.80

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Solution

The fourth proportional to 508,907.46, 762,198.51 and 242,854.80 is: 363,727.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,907.46 : 762,198.51 = 242,854.80 : x
  2. Step 2: Convert to fraction form
    508,907.46/762,198.51 = 242,854.80/x
  3. Step 3: Cross multiply
    508,907.46x = 762,198.51 × 242,854.80
  4. Step 4: Simplify right side
    508,907.46x = 185,103,566,706.35
  5. Step 5: Solve for x
    x = 185,103,566,706.35/508,907.46
  6. Step 6: Final answer
    x = 363,727.36

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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.