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Finding the Fourth Proportional to 424,418.88, 585,679.86 and 233,419.92

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Solution

The fourth proportional to 424,418.88, 585,679.86 and 233,419.92 is: 322,109.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,418.88 : 585,679.86 = 233,419.92 : x
  2. Step 2: Convert to fraction form
    424,418.88/585,679.86 = 233,419.92/x
  3. Step 3: Cross multiply
    424,418.88x = 585,679.86 × 233,419.92
  4. Step 4: Simplify right side
    424,418.88x = 136,709,346,066.81
  5. Step 5: Solve for x
    x = 136,709,346,066.81/424,418.88
  6. Step 6: Final answer
    x = 322,109.48

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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.