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Finding the Fourth Proportional to 258,924.96, 357,271.92 and 237,996.90

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Solution

The fourth proportional to 258,924.96, 357,271.92 and 237,996.90 is: 328,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,924.96 : 357,271.92 = 237,996.90 : x
  2. Step 2: Convert to fraction form
    258,924.96/357,271.92 = 237,996.90/x
  3. Step 3: Cross multiply
    258,924.96x = 357,271.92 × 237,996.90
  4. Step 4: Simplify right side
    258,924.96x = 85,029,609,417.05
  5. Step 5: Solve for x
    x = 85,029,609,417.05/258,924.96
  6. Step 6: Final answer
    x = 328,394.80

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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.