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Finding the Fourth Proportional to 290,396.52, 435,529.08 and 110,417.73

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Solution

The fourth proportional to 290,396.52, 435,529.08 and 110,417.73 is: 165,601.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,396.52 : 435,529.08 = 110,417.73 : x
  2. Step 2: Convert to fraction form
    290,396.52/435,529.08 = 110,417.73/x
  3. Step 3: Cross multiply
    290,396.52x = 435,529.08 × 110,417.73
  4. Step 4: Simplify right side
    290,396.52x = 48,090,132,362.59
  5. Step 5: Solve for x
    x = 48,090,132,362.59/290,396.52
  6. Step 6: Final answer
    x = 165,601.61

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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.