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Finding the Fourth Proportional to 587,117.80, 880,676.70 and 547,460.20

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Solution

The fourth proportional to 587,117.80, 880,676.70 and 547,460.20 is: 821,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,117.80 : 880,676.70 = 547,460.20 : x
  2. Step 2: Convert to fraction form
    587,117.80/880,676.70 = 547,460.20/x
  3. Step 3: Cross multiply
    587,117.80x = 880,676.70 × 547,460.20
  4. Step 4: Simplify right side
    587,117.80x = 482,135,442,317.34
  5. Step 5: Solve for x
    x = 482,135,442,317.34/587,117.80
  6. Step 6: Final answer
    x = 821,190.30

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Similar ratio
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1.5x scale

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.