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Finding the Fourth Proportional to 330,964.33, 456,711.47 and 185,756.62

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Solution

The fourth proportional to 330,964.33, 456,711.47 and 185,756.62 is: 256,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,964.33 : 456,711.47 = 185,756.62 : x
  2. Step 2: Convert to fraction form
    330,964.33/456,711.47 = 185,756.62/x
  3. Step 3: Cross multiply
    330,964.33x = 456,711.47 × 185,756.62
  4. Step 4: Simplify right side
    330,964.33x = 84,837,178,053.65
  5. Step 5: Solve for x
    x = 84,837,178,053.65/330,964.33
  6. Step 6: Final answer
    x = 256,333.30

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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.