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Finding the Fourth Proportional to 476,180.64, 714,275.28 and 121,195.08

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Solution

The fourth proportional to 476,180.64, 714,275.28 and 121,195.08 is: 181,793.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,180.64 : 714,275.28 = 121,195.08 : x
  2. Step 2: Convert to fraction form
    476,180.64/714,275.28 = 121,195.08/x
  3. Step 3: Cross multiply
    476,180.64x = 714,275.28 × 121,195.08
  4. Step 4: Simplify right side
    476,180.64x = 86,566,649,701.62
  5. Step 5: Solve for x
    x = 86,566,649,701.62/476,180.64
  6. Step 6: Final answer
    x = 181,793.72

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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.