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Finding the Fourth Proportional to 7,319,034.90, 10,978,552.35 and 2,000,250.90

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Solution

The fourth proportional to 7,319,034.90, 10,978,552.35 and 2,000,250.90 is: 3,000,376.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,319,034.90 : 10,978,552.35 = 2,000,250.90 : x
  2. Step 2: Convert to fraction form
    7,319,034.90/10,978,552.35 = 2,000,250.90/x
  3. Step 3: Cross multiply
    7,319,034.90x = 10,978,552.35 × 2,000,250.90
  4. Step 4: Simplify right side
    7,319,034.90x = 21,959,859,218,784.61
  5. Step 5: Solve for x
    x = 21,959,859,218,784.61/7,319,034.90
  6. Step 6: Final answer
    x = 3,000,376.35

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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.