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Finding the Fourth Proportional to 424,401.39, 585,678.81 and 233,417.97

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Solution

The fourth proportional to 424,401.39, 585,678.81 and 233,417.97 is: 322,119.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,401.39 : 585,678.81 = 233,417.97 : x
  2. Step 2: Convert to fraction form
    424,401.39/585,678.81 = 233,417.97/x
  3. Step 3: Cross multiply
    424,401.39x = 585,678.81 × 233,417.97
  4. Step 4: Simplify right side
    424,401.39x = 136,707,958,902.22
  5. Step 5: Solve for x
    x = 136,707,958,902.22/424,401.39
  6. Step 6: Final answer
    x = 322,119.49

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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.