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Finding the Fourth Proportional to 587,249.80, 882,186.90 and 571,503.40

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Solution

The fourth proportional to 587,249.80, 882,186.90 and 571,503.40 is: 858,532.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,249.80 : 882,186.90 = 571,503.40 : x
  2. Step 2: Convert to fraction form
    587,249.80/882,186.90 = 571,503.40/x
  3. Step 3: Cross multiply
    587,249.80x = 882,186.90 × 571,503.40
  4. Step 4: Simplify right side
    587,249.80x = 504,172,812,785.46
  5. Step 5: Solve for x
    x = 504,172,812,785.46/587,249.80
  6. Step 6: Final answer
    x = 858,532.11

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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.