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Finding the Fourth Proportional to 315,449.36, 473,181.24 and 105,104.24

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Solution

The fourth proportional to 315,449.36, 473,181.24 and 105,104.24 is: 157,658.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,449.36 : 473,181.24 = 105,104.24 : x
  2. Step 2: Convert to fraction form
    315,449.36/473,181.24 = 105,104.24/x
  3. Step 3: Cross multiply
    315,449.36x = 473,181.24 × 105,104.24
  4. Step 4: Simplify right side
    315,449.36x = 49,733,354,612.46
  5. Step 5: Solve for x
    x = 49,733,354,612.46/315,449.36
  6. Step 6: Final answer
    x = 157,658.76

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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.