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Finding the Fourth Proportional to 304,275.32, 419,867.61 and 168,287.66

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Solution

The fourth proportional to 304,275.32, 419,867.61 and 168,287.66 is: 232,219.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,275.32 : 419,867.61 = 168,287.66 : x
  2. Step 2: Convert to fraction form
    304,275.32/419,867.61 = 168,287.66/x
  3. Step 3: Cross multiply
    304,275.32x = 419,867.61 × 168,287.66
  4. Step 4: Simplify right side
    304,275.32x = 70,658,535,497.35
  5. Step 5: Solve for x
    x = 70,658,535,497.35/304,275.32
  6. Step 6: Final answer
    x = 232,219.09

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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.