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Finding the Fourth Proportional to 236,212.80, 354,319.20 and 232,713.60

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Solution

The fourth proportional to 236,212.80, 354,319.20 and 232,713.60 is: 349,070.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,212.80 : 354,319.20 = 232,713.60 : x
  2. Step 2: Convert to fraction form
    236,212.80/354,319.20 = 232,713.60/x
  3. Step 3: Cross multiply
    236,212.80x = 354,319.20 × 232,713.60
  4. Step 4: Simplify right side
    236,212.80x = 82,454,896,581.12
  5. Step 5: Solve for x
    x = 82,454,896,581.12/236,212.80
  6. Step 6: Final answer
    x = 349,070.40

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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.