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Finding the Fourth Proportional to 258,522.57, 387,574.65 and 116,263.65

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Solution

The fourth proportional to 258,522.57, 387,574.65 and 116,263.65 is: 174,301.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,522.57 : 387,574.65 = 116,263.65 : x
  2. Step 2: Convert to fraction form
    258,522.57/387,574.65 = 116,263.65/x
  3. Step 3: Cross multiply
    258,522.57x = 387,574.65 × 116,263.65
  4. Step 4: Simplify right side
    258,522.57x = 45,060,843,456.47
  5. Step 5: Solve for x
    x = 45,060,843,456.47/258,522.57
  6. Step 6: Final answer
    x = 174,301.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.