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Finding the Fourth Proportional to 247,357.40, 371,036.10 and 222,425.60

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Solution

The fourth proportional to 247,357.40, 371,036.10 and 222,425.60 is: 333,638.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,357.40 : 371,036.10 = 222,425.60 : x
  2. Step 2: Convert to fraction form
    247,357.40/371,036.10 = 222,425.60/x
  3. Step 3: Cross multiply
    247,357.40x = 371,036.10 × 222,425.60
  4. Step 4: Simplify right side
    247,357.40x = 82,527,927,164.16
  5. Step 5: Solve for x
    x = 82,527,927,164.16/247,357.40
  6. Step 6: Final answer
    x = 333,638.40

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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.