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Finding the Fourth Proportional to 292,766.76, 404,018.66 and 158,630.76

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Solution

The fourth proportional to 292,766.76, 404,018.66 and 158,630.76 is: 218,910.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,766.76 : 404,018.66 = 158,630.76 : x
  2. Step 2: Convert to fraction form
    292,766.76/404,018.66 = 158,630.76/x
  3. Step 3: Cross multiply
    292,766.76x = 404,018.66 × 158,630.76
  4. Step 4: Simplify right side
    292,766.76x = 64,089,787,089.98
  5. Step 5: Solve for x
    x = 64,089,787,089.98/292,766.76
  6. Step 6: Final answer
    x = 218,910.74

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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.