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Finding the Fourth Proportional to 452,927.62, 679,393.86 and 137,384.83

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Solution

The fourth proportional to 452,927.62, 679,393.86 and 137,384.83 is: 206,077.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,927.62 : 679,393.86 = 137,384.83 : x
  2. Step 2: Convert to fraction form
    452,927.62/679,393.86 = 137,384.83/x
  3. Step 3: Cross multiply
    452,927.62x = 679,393.86 × 137,384.83
  4. Step 4: Simplify right side
    452,927.62x = 93,338,409,959.14
  5. Step 5: Solve for x
    x = 93,338,409,959.14/452,927.62
  6. Step 6: Final answer
    x = 206,077.98

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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.