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Finding the Fourth Proportional to 541,207.04, 811,793.82 and 257,102.11

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Solution

The fourth proportional to 541,207.04, 811,793.82 and 257,102.11 is: 385,645.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,207.04 : 811,793.82 = 257,102.11 : x
  2. Step 2: Convert to fraction form
    541,207.04/811,793.82 = 257,102.11/x
  3. Step 3: Cross multiply
    541,207.04x = 811,793.82 × 257,102.11
  4. Step 4: Simplify right side
    541,207.04x = 208,713,899,947.99
  5. Step 5: Solve for x
    x = 208,713,899,947.99/541,207.04
  6. Step 6: Final answer
    x = 385,645.21

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1.5x scale

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.