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Finding the Fourth Proportional to 424,191.16, 585,389.31 and 233,202.88

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Solution

The fourth proportional to 424,191.16, 585,389.31 and 233,202.88 is: 321,823.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,191.16 : 585,389.31 = 233,202.88 : x
  2. Step 2: Convert to fraction form
    424,191.16/585,389.31 = 233,202.88/x
  3. Step 3: Cross multiply
    424,191.16x = 585,389.31 × 233,202.88
  4. Step 4: Simplify right side
    424,191.16x = 136,514,470,086.27
  5. Step 5: Solve for x
    x = 136,514,470,086.27/424,191.16
  6. Step 6: Final answer
    x = 321,823.00

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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.