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Finding the Fourth Proportional to 904.16, 1,353.53 and 556.35

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Solution

The fourth proportional to 904.16, 1,353.53 and 556.35 is: 832.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    904.16 : 1,353.53 = 556.35 : x
  2. Step 2: Convert to fraction form
    904.16/1,353.53 = 556.35/x
  3. Step 3: Cross multiply
    904.16x = 1,353.53 × 556.35
  4. Step 4: Simplify right side
    904.16x = 753,033.63
  5. Step 5: Solve for x
    x = 753,033.63/904.16
  6. Step 6: Final answer
    x = 832.86

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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.