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Finding the Fourth Proportional to 577,368,411.60, 866,301,449.40 and 335,238,286.80

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Solution

The fourth proportional to 577,368,411.60, 866,301,449.40 and 335,238,286.80 is: 503,001,909.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,411.60 : 866,301,449.40 = 335,238,286.80 : x
  2. Step 2: Convert to fraction form
    577,368,411.60/866,301,449.40 = 335,238,286.80/x
  3. Step 3: Cross multiply
    577,368,411.60x = 866,301,449.40 × 335,238,286.80
  4. Step 4: Simplify right side
    577,368,411.60x = 290,417,413,749,212,864
  5. Step 5: Solve for x
    x = 290,417,413,749,212,864/577,368,411.60
  6. Step 6: Final answer
    x = 503,001,909.90

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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.