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Finding the Fourth Proportional to 587,551.70, 881,457.15 and 188,210.90

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Solution

The fourth proportional to 587,551.70, 881,457.15 and 188,210.90 is: 282,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,551.70 : 881,457.15 = 188,210.90 : x
  2. Step 2: Convert to fraction form
    587,551.70/881,457.15 = 188,210.90/x
  3. Step 3: Cross multiply
    587,551.70x = 881,457.15 × 188,210.90
  4. Step 4: Simplify right side
    587,551.70x = 165,899,843,512.94
  5. Step 5: Solve for x
    x = 165,899,843,512.94/587,551.70
  6. Step 6: Final answer
    x = 282,357.86

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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.