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Finding the Fourth Proportional to 587,050.40, 881,231.70 and 454,518.20

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Solution

The fourth proportional to 587,050.40, 881,231.70 and 454,518.20 is: 682,285.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,050.40 : 881,231.70 = 454,518.20 : x
  2. Step 2: Convert to fraction form
    587,050.40/881,231.70 = 454,518.20/x
  3. Step 3: Cross multiply
    587,050.40x = 881,231.70 × 454,518.20
  4. Step 4: Simplify right side
    587,050.40x = 400,535,846,066.94
  5. Step 5: Solve for x
    x = 400,535,846,066.94/587,050.40
  6. Step 6: Final answer
    x = 682,285.28

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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.