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Finding the Fourth Proportional to 483,246.43, 724,184.16 and 355,887.85

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Solution

The fourth proportional to 483,246.43, 724,184.16 and 355,887.85 is: 533,326.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,246.43 : 724,184.16 = 355,887.85 : x
  2. Step 2: Convert to fraction form
    483,246.43/724,184.16 = 355,887.85/x
  3. Step 3: Cross multiply
    483,246.43x = 724,184.16 × 355,887.85
  4. Step 4: Simplify right side
    483,246.43x = 257,728,343,706.46
  5. Step 5: Solve for x
    x = 257,728,343,706.46/483,246.43
  6. Step 6: Final answer
    x = 533,326.95

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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.