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Finding the Fourth Proportional to 233,305.20, 349,301.70 and 209,685.60

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Solution

The fourth proportional to 233,305.20, 349,301.70 and 209,685.60 is: 313,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,305.20 : 349,301.70 = 209,685.60 : x
  2. Step 2: Convert to fraction form
    233,305.20/349,301.70 = 209,685.60/x
  3. Step 3: Cross multiply
    233,305.20x = 349,301.70 × 209,685.60
  4. Step 4: Simplify right side
    233,305.20x = 73,243,536,545.52
  5. Step 5: Solve for x
    x = 73,243,536,545.52/233,305.20
  6. Step 6: Final answer
    x = 313,938.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.