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Finding the Fourth Proportional to 587,827.32, 881,990.62 and 321,276.36

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Solution

The fourth proportional to 587,827.32, 881,990.62 and 321,276.36 is: 482,050.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,827.32 : 881,990.62 = 321,276.36 : x
  2. Step 2: Convert to fraction form
    587,827.32/881,990.62 = 321,276.36/x
  3. Step 3: Cross multiply
    587,827.32x = 881,990.62 × 321,276.36
  4. Step 4: Simplify right side
    587,827.32x = 283,362,735,947.74
  5. Step 5: Solve for x
    x = 283,362,735,947.74/587,827.32
  6. Step 6: Final answer
    x = 482,050.98

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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.