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Finding the Fourth Proportional to 621,870.78, 932,706.45 and 222,437.10

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Solution

The fourth proportional to 621,870.78, 932,706.45 and 222,437.10 is: 333,619.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,870.78 : 932,706.45 = 222,437.10 : x
  2. Step 2: Convert to fraction form
    621,870.78/932,706.45 = 222,437.10/x
  3. Step 3: Cross multiply
    621,870.78x = 932,706.45 × 222,437.10
  4. Step 4: Simplify right side
    621,870.78x = 207,468,517,889.30
  5. Step 5: Solve for x
    x = 207,468,517,889.30/621,870.78
  6. Step 6: Final answer
    x = 333,619.98

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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.