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Finding the Fourth Proportional to 529,509.33, 794,886.08 and 330,288.21

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Solution

The fourth proportional to 529,509.33, 794,886.08 and 330,288.21 is: 495,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,509.33 : 794,886.08 = 330,288.21 : x
  2. Step 2: Convert to fraction form
    529,509.33/794,886.08 = 330,288.21/x
  3. Step 3: Cross multiply
    529,509.33x = 794,886.08 × 330,288.21
  4. Step 4: Simplify right side
    529,509.33x = 262,541,498,865.68
  5. Step 5: Solve for x
    x = 262,541,498,865.68/529,509.33
  6. Step 6: Final answer
    x = 495,820.35

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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.