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Finding the Fourth Proportional to 587,386.94, 880,649.40 and 187,797.74

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Solution

The fourth proportional to 587,386.94, 880,649.40 and 187,797.74 is: 281,558.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,386.94 : 880,649.40 = 187,797.74 : x
  2. Step 2: Convert to fraction form
    587,386.94/880,649.40 = 187,797.74/x
  3. Step 3: Cross multiply
    587,386.94x = 880,649.40 × 187,797.74
  4. Step 4: Simplify right side
    587,386.94x = 165,383,967,052.36
  5. Step 5: Solve for x
    x = 165,383,967,052.36/587,386.94
  6. Step 6: Final answer
    x = 281,558.81

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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.