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Finding the Fourth Proportional to 545,908.59, 753,376.95 and 304,191.27

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Solution

The fourth proportional to 545,908.59, 753,376.95 and 304,191.27 is: 419,796.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,908.59 : 753,376.95 = 304,191.27 : x
  2. Step 2: Convert to fraction form
    545,908.59/753,376.95 = 304,191.27/x
  3. Step 3: Cross multiply
    545,908.59x = 753,376.95 × 304,191.27
  4. Step 4: Simplify right side
    545,908.59x = 229,170,691,209.23
  5. Step 5: Solve for x
    x = 229,170,691,209.23/545,908.59
  6. Step 6: Final answer
    x = 419,796.82

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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.