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Finding the Fourth Proportional to 431,574.51, 595,608.27 and 238,020.07

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Solution

The fourth proportional to 431,574.51, 595,608.27 and 238,020.07 is: 328,487.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,574.51 : 595,608.27 = 238,020.07 : x
  2. Step 2: Convert to fraction form
    431,574.51/595,608.27 = 238,020.07/x
  3. Step 3: Cross multiply
    431,574.51x = 595,608.27 × 238,020.07
  4. Step 4: Simplify right side
    431,574.51x = 141,766,722,117.98
  5. Step 5: Solve for x
    x = 141,766,722,117.98/431,574.51
  6. Step 6: Final answer
    x = 328,487.25

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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.