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Finding the Fourth Proportional to 587,317.30, 879,007.65 and 587,317.30

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Solution

The fourth proportional to 587,317.30, 879,007.65 and 587,317.30 is: 879,007.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,317.30 : 879,007.65 = 587,317.30 : x
  2. Step 2: Convert to fraction form
    587,317.30/879,007.65 = 587,317.30/x
  3. Step 3: Cross multiply
    587,317.30x = 879,007.65 × 587,317.30
  4. Step 4: Simplify right side
    587,317.30x = 516,256,399,677.35
  5. Step 5: Solve for x
    x = 516,256,399,677.35/587,317.30
  6. Step 6: Final answer
    x = 879,007.65

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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.