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Finding the Fourth Proportional to 530,463.06, 732,133.89 and 339,469.92

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Solution

The fourth proportional to 530,463.06, 732,133.89 and 339,469.92 is: 468,529.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,463.06 : 732,133.89 = 339,469.92 : x
  2. Step 2: Convert to fraction form
    530,463.06/732,133.89 = 339,469.92/x
  3. Step 3: Cross multiply
    530,463.06x = 732,133.89 × 339,469.92
  4. Step 4: Simplify right side
    530,463.06x = 248,537,433,067.59
  5. Step 5: Solve for x
    x = 248,537,433,067.59/530,463.06
  6. Step 6: Final answer
    x = 468,529.20

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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.