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Finding the Fourth Proportional to 417,752.67, 576,798.27 and 256,823.49

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Solution

The fourth proportional to 417,752.67, 576,798.27 and 256,823.49 is: 354,600.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,752.67 : 576,798.27 = 256,823.49 : x
  2. Step 2: Convert to fraction form
    417,752.67/576,798.27 = 256,823.49/x
  3. Step 3: Cross multiply
    417,752.67x = 576,798.27 × 256,823.49
  4. Step 4: Simplify right side
    417,752.67x = 148,135,344,727.36
  5. Step 5: Solve for x
    x = 148,135,344,727.36/417,752.67
  6. Step 6: Final answer
    x = 354,600.59

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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.