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Finding the Fourth Proportional to 407,277.39, 611,154.24 and 170,600.25

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Solution

The fourth proportional to 407,277.39, 611,154.24 and 170,600.25 is: 256,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,277.39 : 611,154.24 = 170,600.25 : x
  2. Step 2: Convert to fraction form
    407,277.39/611,154.24 = 170,600.25/x
  3. Step 3: Cross multiply
    407,277.39x = 611,154.24 × 170,600.25
  4. Step 4: Simplify right side
    407,277.39x = 104,263,067,784.64
  5. Step 5: Solve for x
    x = 104,263,067,784.64/407,277.39
  6. Step 6: Final answer
    x = 256,000.14

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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.