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Finding the Fourth Proportional to 576,774.60, 865,161.90 and 576,774.60

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Solution

The fourth proportional to 576,774.60, 865,161.90 and 576,774.60 is: 865,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,774.60 : 865,161.90 = 576,774.60 : x
  2. Step 2: Convert to fraction form
    576,774.60/865,161.90 = 576,774.60/x
  3. Step 3: Cross multiply
    576,774.60x = 865,161.90 × 576,774.60
  4. Step 4: Simplify right side
    576,774.60x = 499,003,408,807.74
  5. Step 5: Solve for x
    x = 499,003,408,807.74/576,774.60
  6. Step 6: Final answer
    x = 865,161.90

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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.