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Finding the Fourth Proportional to 546,054.40, 818,935.80 and 166,974.40

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Solution

The fourth proportional to 546,054.40, 818,935.80 and 166,974.40 is: 250,417.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,054.40 : 818,935.80 = 166,974.40 : x
  2. Step 2: Convert to fraction form
    546,054.40/818,935.80 = 166,974.40/x
  3. Step 3: Cross multiply
    546,054.40x = 818,935.80 × 166,974.40
  4. Step 4: Simplify right side
    546,054.40x = 136,741,313,843.52
  5. Step 5: Solve for x
    x = 136,741,313,843.52/546,054.40
  6. Step 6: Final answer
    x = 250,417.02

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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.