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Finding the Fourth Proportional to 636,152.73, 877,891.41 and 349,666.66

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Solution

The fourth proportional to 636,152.73, 877,891.41 and 349,666.66 is: 482,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,152.73 : 877,891.41 = 349,666.66 : x
  2. Step 2: Convert to fraction form
    636,152.73/877,891.41 = 349,666.66/x
  3. Step 3: Cross multiply
    636,152.73x = 877,891.41 × 349,666.66
  4. Step 4: Simplify right side
    636,152.73x = 306,969,357,177.39
  5. Step 5: Solve for x
    x = 306,969,357,177.39/636,152.73
  6. Step 6: Final answer
    x = 482,540.34

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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.