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Finding the Fourth Proportional to 508,667.62, 702,034.32 and 304,727.14

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Solution

The fourth proportional to 508,667.62, 702,034.32 and 304,727.14 is: 420,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,667.62 : 702,034.32 = 304,727.14 : x
  2. Step 2: Convert to fraction form
    508,667.62/702,034.32 = 304,727.14/x
  3. Step 3: Cross multiply
    508,667.62x = 702,034.32 × 304,727.14
  4. Step 4: Simplify right side
    508,667.62x = 213,928,910,515.45
  5. Step 5: Solve for x
    x = 213,928,910,515.45/508,667.62
  6. Step 6: Final answer
    x = 420,567.19

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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.