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Finding the Fourth Proportional to 640,602.06, 884,165.99 and 533,067.27

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Solution

The fourth proportional to 640,602.06, 884,165.99 and 533,067.27 is: 735,745.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,602.06 : 884,165.99 = 533,067.27 : x
  2. Step 2: Convert to fraction form
    640,602.06/884,165.99 = 533,067.27/x
  3. Step 3: Cross multiply
    640,602.06x = 884,165.99 × 533,067.27
  4. Step 4: Simplify right side
    640,602.06x = 471,319,950,516.15
  5. Step 5: Solve for x
    x = 471,319,950,516.15/640,602.06
  6. Step 6: Final answer
    x = 735,745.29

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1.5x scale

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.