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Finding the Fourth Proportional to 304,595.88, 420,326.33 and 166,748.38

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Solution

The fourth proportional to 304,595.88, 420,326.33 and 166,748.38 is: 230,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,595.88 : 420,326.33 = 166,748.38 : x
  2. Step 2: Convert to fraction form
    304,595.88/420,326.33 = 166,748.38/x
  3. Step 3: Cross multiply
    304,595.88x = 420,326.33 × 166,748.38
  4. Step 4: Simplify right side
    304,595.88x = 70,088,735,541.12
  5. Step 5: Solve for x
    x = 70,088,735,541.12/304,595.88
  6. Step 6: Final answer
    x = 230,104.02

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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.