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Finding the Fourth Proportional to 483.98, 724.95 and 362.07

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Solution

The fourth proportional to 483.98, 724.95 and 362.07 is: 542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    483.98 : 724.95 = 362.07 : x
  2. Step 2: Convert to fraction form
    483.98/724.95 = 362.07/x
  3. Step 3: Cross multiply
    483.98x = 724.95 × 362.07
  4. Step 4: Simplify right side
    483.98x = 262,482.65
  5. Step 5: Solve for x
    x = 262,482.65/483.98
  6. Step 6: Final answer
    x = 542.35

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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.