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Finding the Fourth Proportional to 315,416.97, 473,132.10 and 113,026.27

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Solution

The fourth proportional to 315,416.97, 473,132.10 and 113,026.27 is: 169,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,416.97 : 473,132.10 = 113,026.27 : x
  2. Step 2: Convert to fraction form
    315,416.97/473,132.10 = 113,026.27/x
  3. Step 3: Cross multiply
    315,416.97x = 473,132.10 × 113,026.27
  4. Step 4: Simplify right side
    315,416.97x = 53,476,354,114.61
  5. Step 5: Solve for x
    x = 53,476,354,114.61/315,416.97
  6. Step 6: Final answer
    x = 169,541.78

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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.