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Finding the Fourth Proportional to 738.24, 1,106.59 and 372.26

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Solution

The fourth proportional to 738.24, 1,106.59 and 372.26 is: 558.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    738.24 : 1,106.59 = 372.26 : x
  2. Step 2: Convert to fraction form
    738.24/1,106.59 = 372.26/x
  3. Step 3: Cross multiply
    738.24x = 1,106.59 × 372.26
  4. Step 4: Simplify right side
    738.24x = 411,939.19
  5. Step 5: Solve for x
    x = 411,939.19/738.24
  6. Step 6: Final answer
    x = 558.00

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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.