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Finding the Fourth Proportional to 536,634.90, 740,542.64 and 291,608.82

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Solution

The fourth proportional to 536,634.90, 740,542.64 and 291,608.82 is: 402,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,634.90 : 740,542.64 = 291,608.82 : x
  2. Step 2: Convert to fraction form
    536,634.90/740,542.64 = 291,608.82/x
  3. Step 3: Cross multiply
    536,634.90x = 740,542.64 × 291,608.82
  4. Step 4: Simplify right side
    536,634.90x = 215,948,763,952.04
  5. Step 5: Solve for x
    x = 215,948,763,952.04/536,634.90
  6. Step 6: Final answer
    x = 402,412.82

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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.