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Finding the Fourth Proportional to 431,154.79, 594,994.17 and 234,920.23

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Solution

The fourth proportional to 431,154.79, 594,994.17 and 234,920.23 is: 324,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,154.79 : 594,994.17 = 234,920.23 : x
  2. Step 2: Convert to fraction form
    431,154.79/594,994.17 = 234,920.23/x
  3. Step 3: Cross multiply
    431,154.79x = 594,994.17 × 234,920.23
  4. Step 4: Simplify right side
    431,154.79x = 139,776,167,265.06
  5. Step 5: Solve for x
    x = 139,776,167,265.06/431,154.79
  6. Step 6: Final answer
    x = 324,190.22

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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.