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Finding the Fourth Proportional to 867,658.70, 1,301,682.45 and 335,132.30

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Solution

The fourth proportional to 867,658.70, 1,301,682.45 and 335,132.30 is: 502,773.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,658.70 : 1,301,682.45 = 335,132.30 : x
  2. Step 2: Convert to fraction form
    867,658.70/1,301,682.45 = 335,132.30/x
  3. Step 3: Cross multiply
    867,658.70x = 1,301,682.45 × 335,132.30
  4. Step 4: Simplify right side
    867,658.70x = 436,235,833,338.14
  5. Step 5: Solve for x
    x = 436,235,833,338.14/867,658.70
  6. Step 6: Final answer
    x = 502,773.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.