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Finding the Fourth Proportional to 587,772.48, 881,632.80 and 188,433.30

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Solution

The fourth proportional to 587,772.48, 881,632.80 and 188,433.30 is: 282,641.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,772.48 : 881,632.80 = 188,433.30 : x
  2. Step 2: Convert to fraction form
    587,772.48/881,632.80 = 188,433.30/x
  3. Step 3: Cross multiply
    587,772.48x = 881,632.80 × 188,433.30
  4. Step 4: Simplify right side
    587,772.48x = 166,128,977,892.24
  5. Step 5: Solve for x
    x = 166,128,977,892.24/587,772.48
  6. Step 6: Final answer
    x = 282,641.64

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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.