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Finding the Fourth Proportional to 541,407.66, 747,133.52 and 299,685.05

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Solution

The fourth proportional to 541,407.66, 747,133.52 and 299,685.05 is: 413,560.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,407.66 : 747,133.52 = 299,685.05 : x
  2. Step 2: Convert to fraction form
    541,407.66/747,133.52 = 299,685.05/x
  3. Step 3: Cross multiply
    541,407.66x = 747,133.52 × 299,685.05
  4. Step 4: Simplify right side
    541,407.66x = 223,904,746,297.88
  5. Step 5: Solve for x
    x = 223,904,746,297.88/541,407.66
  6. Step 6: Final answer
    x = 413,560.36

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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.