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Finding the Fourth Proportional to 330,769.59, 456,591.86 and 234,476.76

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Solution

The fourth proportional to 330,769.59, 456,591.86 and 234,476.76 is: 323,669.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,769.59 : 456,591.86 = 234,476.76 : x
  2. Step 2: Convert to fraction form
    330,769.59/456,591.86 = 234,476.76/x
  3. Step 3: Cross multiply
    330,769.59x = 456,591.86 × 234,476.76
  4. Step 4: Simplify right side
    330,769.59x = 107,060,178,802.79
  5. Step 5: Solve for x
    x = 107,060,178,802.79/330,769.59
  6. Step 6: Final answer
    x = 323,669.96

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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.