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Finding the Fourth Proportional to 536,171.80, 740,204.42 and 413,396.04

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Solution

The fourth proportional to 536,171.80, 740,204.42 and 413,396.04 is: 570,708.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,171.80 : 740,204.42 = 413,396.04 : x
  2. Step 2: Convert to fraction form
    536,171.80/740,204.42 = 413,396.04/x
  3. Step 3: Cross multiply
    536,171.80x = 740,204.42 × 413,396.04
  4. Step 4: Simplify right side
    536,171.80x = 305,997,576,018.50
  5. Step 5: Solve for x
    x = 305,997,576,018.50/536,171.80
  6. Step 6: Final answer
    x = 570,708.08

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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.