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Finding the Fourth Proportional to 612,117.60, 917,520.30 and 232,891.80

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Solution

The fourth proportional to 612,117.60, 917,520.30 and 232,891.80 is: 349,088.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,117.60 : 917,520.30 = 232,891.80 : x
  2. Step 2: Convert to fraction form
    612,117.60/917,520.30 = 232,891.80/x
  3. Step 3: Cross multiply
    612,117.60x = 917,520.30 × 232,891.80
  4. Step 4: Simplify right side
    612,117.60x = 213,682,954,203.54
  5. Step 5: Solve for x
    x = 213,682,954,203.54/612,117.60
  6. Step 6: Final answer
    x = 349,088.07

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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.