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Finding the Fourth Proportional to 508,667.12, 702,033.63 and 304,726.64

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Solution

The fourth proportional to 508,667.12, 702,033.63 and 304,726.64 is: 420,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,667.12 : 702,033.63 = 304,726.64 : x
  2. Step 2: Convert to fraction form
    508,667.12/702,033.63 = 304,726.64/x
  3. Step 3: Cross multiply
    508,667.12x = 702,033.63 × 304,726.64
  4. Step 4: Simplify right side
    508,667.12x = 213,928,349,236.90
  5. Step 5: Solve for x
    x = 213,928,349,236.90/508,667.12
  6. Step 6: Final answer
    x = 420,566.50

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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.