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Finding the Fourth Proportional to 624.36, 931.73 and 562.92

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Solution

The fourth proportional to 624.36, 931.73 and 562.92 is: 840.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.36 : 931.73 = 562.92 : x
  2. Step 2: Convert to fraction form
    624.36/931.73 = 562.92/x
  3. Step 3: Cross multiply
    624.36x = 931.73 × 562.92
  4. Step 4: Simplify right side
    624.36x = 524,489.45
  5. Step 5: Solve for x
    x = 524,489.45/624.36
  6. Step 6: Final answer
    x = 840.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.