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Finding the Fourth Proportional to 330,762.92, 456,397.46 and 194,823.96

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Solution

The fourth proportional to 330,762.92, 456,397.46 and 194,823.96 is: 268,824.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,762.92 : 456,397.46 = 194,823.96 : x
  2. Step 2: Convert to fraction form
    330,762.92/456,397.46 = 194,823.96/x
  3. Step 3: Cross multiply
    330,762.92x = 456,397.46 × 194,823.96
  4. Step 4: Simplify right side
    330,762.92x = 88,917,160,491.14
  5. Step 5: Solve for x
    x = 88,917,160,491.14/330,762.92
  6. Step 6: Final answer
    x = 268,824.45

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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.