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Finding the Fourth Proportional to 306,773.01, 423,338.45 and 170,807.04

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Solution

The fourth proportional to 306,773.01, 423,338.45 and 170,807.04 is: 235,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,773.01 : 423,338.45 = 170,807.04 : x
  2. Step 2: Convert to fraction form
    306,773.01/423,338.45 = 170,807.04/x
  3. Step 3: Cross multiply
    306,773.01x = 423,338.45 × 170,807.04
  4. Step 4: Simplify right side
    306,773.01x = 72,309,186,708.65
  5. Step 5: Solve for x
    x = 72,309,186,708.65/306,773.01
  6. Step 6: Final answer
    x = 235,709.09

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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.