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Finding the Fourth Proportional to 330,505.65, 456,100.65 and 179,602.65

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Solution

The fourth proportional to 330,505.65, 456,100.65 and 179,602.65 is: 247,853.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,505.65 : 456,100.65 = 179,602.65 : x
  2. Step 2: Convert to fraction form
    330,505.65/456,100.65 = 179,602.65/x
  3. Step 3: Cross multiply
    330,505.65x = 456,100.65 × 179,602.65
  4. Step 4: Simplify right side
    330,505.65x = 81,916,885,406.72
  5. Step 5: Solve for x
    x = 81,916,885,406.72/330,505.65
  6. Step 6: Final answer
    x = 247,853.21

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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.