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Finding the Fourth Proportional to 483,773.54, 724,971.16 and 356,412.18

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Solution

The fourth proportional to 483,773.54, 724,971.16 and 356,412.18 is: 534,110.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,773.54 : 724,971.16 = 356,412.18 : x
  2. Step 2: Convert to fraction form
    483,773.54/724,971.16 = 356,412.18/x
  3. Step 3: Cross multiply
    483,773.54x = 724,971.16 × 356,412.18
  4. Step 4: Simplify right side
    483,773.54x = 258,388,551,572.73
  5. Step 5: Solve for x
    x = 258,388,551,572.73/483,773.54
  6. Step 6: Final answer
    x = 534,110.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.