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Finding the Fourth Proportional to 553,233.30, 763,272.90 and 335,508.54

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Solution

The fourth proportional to 553,233.30, 763,272.90 and 335,508.54 is: 462,887.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,233.30 : 763,272.90 = 335,508.54 : x
  2. Step 2: Convert to fraction form
    553,233.30/763,272.90 = 335,508.54/x
  3. Step 3: Cross multiply
    553,233.30x = 763,272.90 × 335,508.54
  4. Step 4: Simplify right side
    553,233.30x = 256,084,576,300.57
  5. Step 5: Solve for x
    x = 256,084,576,300.57/553,233.30
  6. Step 6: Final answer
    x = 462,887.13

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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.