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Finding the Fourth Proportional to 260,906.70, 359,892.10 and 172,501.61

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Solution

The fourth proportional to 260,906.70, 359,892.10 and 172,501.61 is: 237,947.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,906.70 : 359,892.10 = 172,501.61 : x
  2. Step 2: Convert to fraction form
    260,906.70/359,892.10 = 172,501.61/x
  3. Step 3: Cross multiply
    260,906.70x = 359,892.10 × 172,501.61
  4. Step 4: Simplify right side
    260,906.70x = 62,081,966,676.28
  5. Step 5: Solve for x
    x = 62,081,966,676.28/260,906.70
  6. Step 6: Final answer
    x = 237,947.00

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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.