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Finding the Fourth Proportional to 239,350,897.80, 359,026,346.70 and 239,350,897.80

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Solution

The fourth proportional to 239,350,897.80, 359,026,346.70 and 239,350,897.80 is: 359,026,346.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,350,897.80 : 359,026,346.70 = 239,350,897.80 : x
  2. Step 2: Convert to fraction form
    239,350,897.80/359,026,346.70 = 239,350,897.80/x
  3. Step 3: Cross multiply
    239,350,897.80x = 359,026,346.70 × 239,350,897.80
  4. Step 4: Simplify right side
    239,350,897.80x = 85,933,278,416,499,072
  5. Step 5: Solve for x
    x = 85,933,278,416,499,072/239,350,897.80
  6. Step 6: Final answer
    x = 359,026,346.70

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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.