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Finding the Fourth Proportional to 329,460.90, 493,863.30 and 151,657.80

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Solution

The fourth proportional to 329,460.90, 493,863.30 and 151,657.80 is: 227,335.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,460.90 : 493,863.30 = 151,657.80 : x
  2. Step 2: Convert to fraction form
    329,460.90/493,863.30 = 151,657.80/x
  3. Step 3: Cross multiply
    329,460.90x = 493,863.30 × 151,657.80
  4. Step 4: Simplify right side
    329,460.90x = 74,898,221,578.74
  5. Step 5: Solve for x
    x = 74,898,221,578.74/329,460.90
  6. Step 6: Final answer
    x = 227,335.69

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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.