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Finding the Fourth Proportional to 483,772.54, 724,969.67 and 356,411.18

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Solution

The fourth proportional to 483,772.54, 724,969.67 and 356,411.18 is: 534,109.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,772.54 : 724,969.67 = 356,411.18 : x
  2. Step 2: Convert to fraction form
    483,772.54/724,969.67 = 356,411.18/x
  3. Step 3: Cross multiply
    483,772.54x = 724,969.67 × 356,411.18
  4. Step 4: Simplify right side
    483,772.54x = 258,387,290,142.01
  5. Step 5: Solve for x
    x = 258,387,290,142.01/483,772.54
  6. Step 6: Final answer
    x = 534,109.05

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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.