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Finding the Fourth Proportional to 542,964.48, 749,272.56 and 328,066.56

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Solution

The fourth proportional to 542,964.48, 749,272.56 and 328,066.56 is: 452,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,964.48 : 749,272.56 = 328,066.56 : x
  2. Step 2: Convert to fraction form
    542,964.48/749,272.56 = 328,066.56/x
  3. Step 3: Cross multiply
    542,964.48x = 749,272.56 × 328,066.56
  4. Step 4: Simplify right side
    542,964.48x = 245,811,271,261.59
  5. Step 5: Solve for x
    x = 245,811,271,261.59/542,964.48
  6. Step 6: Final answer
    x = 452,720.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.