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Finding the Fourth Proportional to 491,185,305.60, 736,777,958.40 and 491,185,305.60

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Solution

The fourth proportional to 491,185,305.60, 736,777,958.40 and 491,185,305.60 is: 736,777,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,185,305.60 : 736,777,958.40 = 491,185,305.60 : x
  2. Step 2: Convert to fraction form
    491,185,305.60/736,777,958.40 = 491,185,305.60/x
  3. Step 3: Cross multiply
    491,185,305.60x = 736,777,958.40 × 491,185,305.60
  4. Step 4: Simplify right side
    491,185,305.60x = 361,894,506,656,048,064
  5. Step 5: Solve for x
    x = 361,894,506,656,048,064/491,185,305.60
  6. Step 6: Final answer
    x = 736,777,958.40

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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.