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Finding the Fourth Proportional to 583,149.44, 805,016.39 and 411,207.50

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Solution

The fourth proportional to 583,149.44, 805,016.39 and 411,207.50 is: 567,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,149.44 : 805,016.39 = 411,207.50 : x
  2. Step 2: Convert to fraction form
    583,149.44/805,016.39 = 411,207.50/x
  3. Step 3: Cross multiply
    583,149.44x = 805,016.39 × 411,207.50
  4. Step 4: Simplify right side
    583,149.44x = 331,028,771,109.81
  5. Step 5: Solve for x
    x = 331,028,771,109.81/583,149.44
  6. Step 6: Final answer
    x = 567,656.85

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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.