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Finding the Fourth Proportional to 587,421.41, 881,525.78 and 377,206.97

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Solution

The fourth proportional to 587,421.41, 881,525.78 and 377,206.97 is: 566,063.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,421.41 : 881,525.78 = 377,206.97 : x
  2. Step 2: Convert to fraction form
    587,421.41/881,525.78 = 377,206.97/x
  3. Step 3: Cross multiply
    587,421.41x = 881,525.78 × 377,206.97
  4. Step 4: Simplify right side
    587,421.41x = 332,517,666,564.65
  5. Step 5: Solve for x
    x = 332,517,666,564.65/587,421.41
  6. Step 6: Final answer
    x = 566,063.24

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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.