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Finding the Fourth Proportional to 417,937.84, 576,901.38 and 248,170.76

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Solution

The fourth proportional to 417,937.84, 576,901.38 and 248,170.76 is: 342,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,937.84 : 576,901.38 = 248,170.76 : x
  2. Step 2: Convert to fraction form
    417,937.84/576,901.38 = 248,170.76/x
  3. Step 3: Cross multiply
    417,937.84x = 576,901.38 × 248,170.76
  4. Step 4: Simplify right side
    417,937.84x = 143,170,053,919.65
  5. Step 5: Solve for x
    x = 143,170,053,919.65/417,937.84
  6. Step 6: Final answer
    x = 342,563.03

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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.