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Finding the Fourth Proportional to 587,565.20, 881,477.40 and 188,224.40

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Solution

The fourth proportional to 587,565.20, 881,477.40 and 188,224.40 is: 282,378.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,565.20 : 881,477.40 = 188,224.40 : x
  2. Step 2: Convert to fraction form
    587,565.20/881,477.40 = 188,224.40/x
  3. Step 3: Cross multiply
    587,565.20x = 881,477.40 × 188,224.40
  4. Step 4: Simplify right side
    587,565.20x = 165,915,554,728.56
  5. Step 5: Solve for x
    x = 165,915,554,728.56/587,565.20
  6. Step 6: Final answer
    x = 282,378.12

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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.