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Finding the Fourth Proportional to 587,111.20, 880,666.80 and 377,159.20

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Solution

The fourth proportional to 587,111.20, 880,666.80 and 377,159.20 is: 565,738.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,111.20 : 880,666.80 = 377,159.20 : x
  2. Step 2: Convert to fraction form
    587,111.20/880,666.80 = 377,159.20/x
  3. Step 3: Cross multiply
    587,111.20x = 880,666.80 × 377,159.20
  4. Step 4: Simplify right side
    587,111.20x = 332,151,585,754.56
  5. Step 5: Solve for x
    x = 332,151,585,754.56/587,111.20
  6. Step 6: Final answer
    x = 565,738.80

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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.