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Finding the Fourth Proportional to 424,009.96, 585,127.02 and 233,019.28

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Solution

The fourth proportional to 424,009.96, 585,127.02 and 233,019.28 is: 321,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,009.96 : 585,127.02 = 233,019.28 : x
  2. Step 2: Convert to fraction form
    424,009.96/585,127.02 = 233,019.28/x
  3. Step 3: Cross multiply
    424,009.96x = 585,127.02 × 233,019.28
  4. Step 4: Simplify right side
    424,009.96x = 136,345,876,908.95
  5. Step 5: Solve for x
    x = 136,345,876,908.95/424,009.96
  6. Step 6: Final answer
    x = 321,562.91

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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.