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Finding the Fourth Proportional to 747,216, 1,120,833.72 and 248,580

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Solution

The fourth proportional to 747,216, 1,120,833.72 and 248,580 is: 372,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,216 : 1,120,833.72 = 248,580 : x
  2. Step 2: Convert to fraction form
    747,216/1,120,833.72 = 248,580/x
  3. Step 3: Cross multiply
    747,216x = 1,120,833.72 × 248,580
  4. Step 4: Simplify right side
    747,216x = 278,616,846,117.60
  5. Step 5: Solve for x
    x = 278,616,846,117.60/747,216
  6. Step 6: Final answer
    x = 372,873.23

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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.