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Finding the Fourth Proportional to 545,944.40, 818,770.80 and 166,864.40

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Solution

The fourth proportional to 545,944.40, 818,770.80 and 166,864.40 is: 250,252.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,944.40 : 818,770.80 = 166,864.40 : x
  2. Step 2: Convert to fraction form
    545,944.40/818,770.80 = 166,864.40/x
  3. Step 3: Cross multiply
    545,944.40x = 818,770.80 × 166,864.40
  4. Step 4: Simplify right side
    545,944.40x = 136,623,698,279.52
  5. Step 5: Solve for x
    x = 136,623,698,279.52/545,944.40
  6. Step 6: Final answer
    x = 250,252.04

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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.