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Finding the Fourth Proportional to 315,630.41, 473,447.41 and 105,267.74

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Solution

The fourth proportional to 315,630.41, 473,447.41 and 105,267.74 is: 157,902.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,630.41 : 473,447.41 = 105,267.74 : x
  2. Step 2: Convert to fraction form
    315,630.41/473,447.41 = 105,267.74/x
  3. Step 3: Cross multiply
    315,630.41x = 473,447.41 × 105,267.74
  4. Step 4: Simplify right side
    315,630.41x = 49,838,736,229.15
  5. Step 5: Solve for x
    x = 49,838,736,229.15/315,630.41
  6. Step 6: Final answer
    x = 157,902.20

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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.