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Finding the Fourth Proportional to 433,103, 649,643.54 and 117,551.72

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Solution

The fourth proportional to 433,103, 649,643.54 and 117,551.72 is: 176,324.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,103 : 649,643.54 = 117,551.72 : x
  2. Step 2: Convert to fraction form
    433,103/649,643.54 = 117,551.72/x
  3. Step 3: Cross multiply
    433,103x = 649,643.54 × 117,551.72
  4. Step 4: Simplify right side
    433,103x = 76,366,715,513.89
  5. Step 5: Solve for x
    x = 76,366,715,513.89/433,103
  6. Step 6: Final answer
    x = 176,324.61

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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.