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Finding the Fourth Proportional to 255,885.93, 384,161.51 and 196,763.13

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Solution

The fourth proportional to 255,885.93, 384,161.51 and 196,763.13 is: 295,400.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,885.93 : 384,161.51 = 196,763.13 : x
  2. Step 2: Convert to fraction form
    255,885.93/384,161.51 = 196,763.13/x
  3. Step 3: Cross multiply
    255,885.93x = 384,161.51 × 196,763.13
  4. Step 4: Simplify right side
    255,885.93x = 75,588,820,149.31
  5. Step 5: Solve for x
    x = 75,588,820,149.31/255,885.93
  6. Step 6: Final answer
    x = 295,400.45

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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.