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Finding the Fourth Proportional to 587,282.80, 882,767.40 and 576,223.60

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Solution

The fourth proportional to 587,282.80, 882,767.40 and 576,223.60 is: 866,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,282.80 : 882,767.40 = 576,223.60 : x
  2. Step 2: Convert to fraction form
    587,282.80/882,767.40 = 576,223.60/x
  3. Step 3: Cross multiply
    587,282.80x = 882,767.40 × 576,223.60
  4. Step 4: Simplify right side
    587,282.80x = 508,671,409,190.64
  5. Step 5: Solve for x
    x = 508,671,409,190.64/587,282.80
  6. Step 6: Final answer
    x = 866,143.89

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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.