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Finding the Fourth Proportional to 587,581.20, 880,004.88 and 571,418.64

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Solution

The fourth proportional to 587,581.20, 880,004.88 and 571,418.64 is: 855,798.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,581.20 : 880,004.88 = 571,418.64 : x
  2. Step 2: Convert to fraction form
    587,581.20/880,004.88 = 571,418.64/x
  3. Step 3: Cross multiply
    587,581.20x = 880,004.88 × 571,418.64
  4. Step 4: Simplify right side
    587,581.20x = 502,851,191,722.96
  5. Step 5: Solve for x
    x = 502,851,191,722.96/587,581.20
  6. Step 6: Final answer
    x = 855,798.64

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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.