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Finding the Fourth Proportional to 577,368,404.60, 866,301,438.90 and 335,238,279.80

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Solution

The fourth proportional to 577,368,404.60, 866,301,438.90 and 335,238,279.80 is: 503,001,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,404.60 : 866,301,438.90 = 335,238,279.80 : x
  2. Step 2: Convert to fraction form
    577,368,404.60/866,301,438.90 = 335,238,279.80/x
  3. Step 3: Cross multiply
    577,368,404.60x = 866,301,438.90 × 335,238,279.80
  4. Step 4: Simplify right side
    577,368,404.60x = 290,417,404,165,100,800
  5. Step 5: Solve for x
    x = 290,417,404,165,100,800/577,368,404.60
  6. Step 6: Final answer
    x = 503,001,899.40

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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.