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Finding the Fourth Proportional to 403,596.46, 556,963.76 and 222,308.89

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Solution

The fourth proportional to 403,596.46, 556,963.76 and 222,308.89 is: 306,786.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,596.46 : 556,963.76 = 222,308.89 : x
  2. Step 2: Convert to fraction form
    403,596.46/556,963.76 = 222,308.89/x
  3. Step 3: Cross multiply
    403,596.46x = 556,963.76 × 222,308.89
  4. Step 4: Simplify right side
    403,596.46x = 123,817,995,255.83
  5. Step 5: Solve for x
    x = 123,817,995,255.83/403,596.46
  6. Step 6: Final answer
    x = 306,786.62

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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.