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Finding the Fourth Proportional to 329,005.20, 461,540.40 and 329,005.20

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Solution

The fourth proportional to 329,005.20, 461,540.40 and 329,005.20 is: 461,540.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,005.20 : 461,540.40 = 329,005.20 : x
  2. Step 2: Convert to fraction form
    329,005.20/461,540.40 = 329,005.20/x
  3. Step 3: Cross multiply
    329,005.20x = 461,540.40 × 329,005.20
  4. Step 4: Simplify right side
    329,005.20x = 151,849,191,610.08
  5. Step 5: Solve for x
    x = 151,849,191,610.08/329,005.20
  6. Step 6: Final answer
    x = 461,540.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.