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Finding the Fourth Proportional to 608,680.71, 912,427.65 and 253,796.22

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Solution

The fourth proportional to 608,680.71, 912,427.65 and 253,796.22 is: 380,446.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,680.71 : 912,427.65 = 253,796.22 : x
  2. Step 2: Convert to fraction form
    608,680.71/912,427.65 = 253,796.22/x
  3. Step 3: Cross multiply
    608,680.71x = 912,427.65 × 253,796.22
  4. Step 4: Simplify right side
    608,680.71x = 231,570,688,593.48
  5. Step 5: Solve for x
    x = 231,570,688,593.48/608,680.71
  6. Step 6: Final answer
    x = 380,446.90

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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.