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Finding the Fourth Proportional to 289,162.00, 433,442.28 and 111,790.83

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Solution

The fourth proportional to 289,162.00, 433,442.28 and 111,790.83 is: 167,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,162.00 : 433,442.28 = 111,790.83 : x
  2. Step 2: Convert to fraction form
    289,162.00/433,442.28 = 111,790.83/x
  3. Step 3: Cross multiply
    289,162.00x = 433,442.28 × 111,790.83
  4. Step 4: Simplify right side
    289,162.00x = 48,454,872,238.29
  5. Step 5: Solve for x
    x = 48,454,872,238.29/289,162.00
  6. Step 6: Final answer
    x = 167,569.99

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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.