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Finding the Fourth Proportional to 536,118.90, 739,852.59 and 291,103.52

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Solution

The fourth proportional to 536,118.90, 739,852.59 and 291,103.52 is: 401,727.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,118.90 : 739,852.59 = 291,103.52 : x
  2. Step 2: Convert to fraction form
    536,118.90/739,852.59 = 291,103.52/x
  3. Step 3: Cross multiply
    536,118.90x = 739,852.59 × 291,103.52
  4. Step 4: Simplify right side
    536,118.90x = 215,373,693,230.12
  5. Step 5: Solve for x
    x = 215,373,693,230.12/536,118.90
  6. Step 6: Final answer
    x = 401,727.48

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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.