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Finding the Fourth Proportional to 297,981, 447,252.40 and 108,624.38

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Solution

The fourth proportional to 297,981, 447,252.40 and 108,624.38 is: 163,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,981 : 447,252.40 = 108,624.38 : x
  2. Step 2: Convert to fraction form
    297,981/447,252.40 = 108,624.38/x
  3. Step 3: Cross multiply
    297,981x = 447,252.40 × 108,624.38
  4. Step 4: Simplify right side
    297,981x = 48,582,514,653.51
  5. Step 5: Solve for x
    x = 48,582,514,653.51/297,981
  6. Step 6: Final answer
    x = 163,038.97

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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.