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Finding the Fourth Proportional to 359,222,246.40, 538,833,369.60 and 359,222,246.40

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Solution

The fourth proportional to 359,222,246.40, 538,833,369.60 and 359,222,246.40 is: 538,833,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,222,246.40 : 538,833,369.60 = 359,222,246.40 : x
  2. Step 2: Convert to fraction form
    359,222,246.40/538,833,369.60 = 359,222,246.40/x
  3. Step 3: Cross multiply
    359,222,246.40x = 538,833,369.60 × 359,222,246.40
  4. Step 4: Simplify right side
    359,222,246.40x = 193,560,933,462,993,472
  5. Step 5: Solve for x
    x = 193,560,933,462,993,472/359,222,246.40
  6. Step 6: Final answer
    x = 538,833,369.60

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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.