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Finding the Fourth Proportional to 561,488,246.55, 842,232,369.83 and 561,488,246.55

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Solution

The fourth proportional to 561,488,246.55, 842,232,369.83 and 561,488,246.55 is: 842,232,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,488,246.55 : 842,232,369.83 = 561,488,246.55 : x
  2. Step 2: Convert to fraction form
    561,488,246.55/842,232,369.83 = 561,488,246.55/x
  3. Step 3: Cross multiply
    561,488,246.55x = 842,232,369.83 × 561,488,246.55
  4. Step 4: Simplify right side
    561,488,246.55x = 472,903,576,520,690,368
  5. Step 5: Solve for x
    x = 472,903,576,520,690,368/561,488,246.55
  6. Step 6: Final answer
    x = 842,232,369.83

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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.