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Finding the Fourth Proportional to 233,307.20, 349,304.70 and 209,687.60

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Solution

The fourth proportional to 233,307.20, 349,304.70 and 209,687.60 is: 313,941.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,307.20 : 349,304.70 = 209,687.60 : x
  2. Step 2: Convert to fraction form
    233,307.20/349,304.70 = 209,687.60/x
  3. Step 3: Cross multiply
    233,307.20x = 349,304.70 × 209,687.60
  4. Step 4: Simplify right side
    233,307.20x = 73,244,864,211.72
  5. Step 5: Solve for x
    x = 73,244,864,211.72/233,307.20
  6. Step 6: Final answer
    x = 313,941.72

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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.