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Finding the Fourth Proportional to 314,541.60, 471,812.40 and 244,471.20

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Solution

The fourth proportional to 314,541.60, 471,812.40 and 244,471.20 is: 366,706.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,541.60 : 471,812.40 = 244,471.20 : x
  2. Step 2: Convert to fraction form
    314,541.60/471,812.40 = 244,471.20/x
  3. Step 3: Cross multiply
    314,541.60x = 471,812.40 × 244,471.20
  4. Step 4: Simplify right side
    314,541.60x = 115,344,543,602.88
  5. Step 5: Solve for x
    x = 115,344,543,602.88/314,541.60
  6. Step 6: Final answer
    x = 366,706.80

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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.