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Finding the Fourth Proportional to 473.56, 653.02 and 368.48

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Solution

The fourth proportional to 473.56, 653.02 and 368.48 is: 508.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473.56 : 653.02 = 368.48 : x
  2. Step 2: Convert to fraction form
    473.56/653.02 = 368.48/x
  3. Step 3: Cross multiply
    473.56x = 653.02 × 368.48
  4. Step 4: Simplify right side
    473.56x = 240,624.81
  5. Step 5: Solve for x
    x = 240,624.81/473.56
  6. Step 6: Final answer
    x = 508.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.