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Finding the Fourth Proportional to 541,811.82, 747,667.44 and 300,079.92

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Solution

The fourth proportional to 541,811.82, 747,667.44 and 300,079.92 is: 414,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,811.82 : 747,667.44 = 300,079.92 : x
  2. Step 2: Convert to fraction form
    541,811.82/747,667.44 = 300,079.92/x
  3. Step 3: Cross multiply
    541,811.82x = 747,667.44 × 300,079.92
  4. Step 4: Simplify right side
    541,811.82x = 224,359,985,581.81
  5. Step 5: Solve for x
    x = 224,359,985,581.81/541,811.82
  6. Step 6: Final answer
    x = 414,092.08

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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.