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Finding the Fourth Proportional to 417,824.53, 576,633.53 and 236,568.40

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Solution

The fourth proportional to 417,824.53, 576,633.53 and 236,568.40 is: 326,484.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,824.53 : 576,633.53 = 236,568.40 : x
  2. Step 2: Convert to fraction form
    417,824.53/576,633.53 = 236,568.40/x
  3. Step 3: Cross multiply
    417,824.53x = 576,633.53 × 236,568.40
  4. Step 4: Simplify right side
    417,824.53x = 136,413,270,728.29
  5. Step 5: Solve for x
    x = 136,413,270,728.29/417,824.53
  6. Step 6: Final answer
    x = 326,484.59

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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.