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Finding the Fourth Proportional to 417,489.76, 576,190.16 and 233,798.28

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Solution

The fourth proportional to 417,489.76, 576,190.16 and 233,798.28 is: 322,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,489.76 : 576,190.16 = 233,798.28 : x
  2. Step 2: Convert to fraction form
    417,489.76/576,190.16 = 233,798.28/x
  3. Step 3: Cross multiply
    417,489.76x = 576,190.16 × 233,798.28
  4. Step 4: Simplify right side
    417,489.76x = 134,712,268,360.93
  5. Step 5: Solve for x
    x = 134,712,268,360.93/417,489.76
  6. Step 6: Final answer
    x = 322,672.03

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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.