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Finding the Fourth Proportional to 424,065.70, 585,248.07 and 233,116.30

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Solution

The fourth proportional to 424,065.70, 585,248.07 and 233,116.30 is: 321,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,065.70 : 585,248.07 = 233,116.30 : x
  2. Step 2: Convert to fraction form
    424,065.70/585,248.07 = 233,116.30/x
  3. Step 3: Cross multiply
    424,065.70x = 585,248.07 × 233,116.30
  4. Step 4: Simplify right side
    424,065.70x = 136,430,864,660.54
  5. Step 5: Solve for x
    x = 136,430,864,660.54/424,065.70
  6. Step 6: Final answer
    x = 321,721.06

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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.