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Finding the Fourth Proportional to 532,864.67, 735,330.44 and 291,143.39

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Solution

The fourth proportional to 532,864.67, 735,330.44 and 291,143.39 is: 401,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,864.67 : 735,330.44 = 291,143.39 : x
  2. Step 2: Convert to fraction form
    532,864.67/735,330.44 = 291,143.39/x
  3. Step 3: Cross multiply
    532,864.67x = 735,330.44 × 291,143.39
  4. Step 4: Simplify right side
    532,864.67x = 214,086,595,616.08
  5. Step 5: Solve for x
    x = 214,086,595,616.08/532,864.67
  6. Step 6: Final answer
    x = 401,765.42

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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.