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Finding the Fourth Proportional to 424,217.78, 585,424.47 and 233,232.50

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Solution

The fourth proportional to 424,217.78, 585,424.47 and 233,232.50 is: 321,863.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,217.78 : 585,424.47 = 233,232.50 : x
  2. Step 2: Convert to fraction form
    424,217.78/585,424.47 = 233,232.50/x
  3. Step 3: Cross multiply
    424,217.78x = 585,424.47 × 233,232.50
  4. Step 4: Simplify right side
    424,217.78x = 136,540,012,699.28
  5. Step 5: Solve for x
    x = 136,540,012,699.28/424,217.78
  6. Step 6: Final answer
    x = 321,863.01

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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.