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Finding the Fourth Proportional to 526,174.96, 726,142.66 and 293,622.25

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Solution

The fourth proportional to 526,174.96, 726,142.66 and 293,622.25 is: 405,210.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,174.96 : 726,142.66 = 293,622.25 : x
  2. Step 2: Convert to fraction form
    526,174.96/726,142.66 = 293,622.25/x
  3. Step 3: Cross multiply
    526,174.96x = 726,142.66 × 293,622.25
  4. Step 4: Simplify right side
    526,174.96x = 213,211,644,764.42
  5. Step 5: Solve for x
    x = 213,211,644,764.42/526,174.96
  6. Step 6: Final answer
    x = 405,210.55

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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.