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Finding the Fourth Proportional to 587,810.04, 881,964.71 and 321,259.14

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Solution

The fourth proportional to 587,810.04, 881,964.71 and 321,259.14 is: 482,025.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,810.04 : 881,964.71 = 321,259.14 : x
  2. Step 2: Convert to fraction form
    587,810.04/881,964.71 = 321,259.14/x
  3. Step 3: Cross multiply
    587,810.04x = 881,964.71 × 321,259.14
  4. Step 4: Simplify right side
    587,810.04x = 283,339,222,638.65
  5. Step 5: Solve for x
    x = 283,339,222,638.65/587,810.04
  6. Step 6: Final answer
    x = 482,025.15

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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.