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Finding the Fourth Proportional to 587,373.48, 880,629.30 and 187,784.28

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Solution

The fourth proportional to 587,373.48, 880,629.30 and 187,784.28 is: 281,538.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,373.48 : 880,629.30 = 187,784.28 : x
  2. Step 2: Convert to fraction form
    587,373.48/880,629.30 = 187,784.28/x
  3. Step 3: Cross multiply
    587,373.48x = 880,629.30 × 187,784.28
  4. Step 4: Simplify right side
    587,373.48x = 165,368,339,047.40
  5. Step 5: Solve for x
    x = 165,368,339,047.40/587,373.48
  6. Step 6: Final answer
    x = 281,538.65

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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.