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Finding the Fourth Proportional to 324,005.10, 454,073.70 and 324,005.10

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Solution

The fourth proportional to 324,005.10, 454,073.70 and 324,005.10 is: 454,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,005.10 : 454,073.70 = 324,005.10 : x
  2. Step 2: Convert to fraction form
    324,005.10/454,073.70 = 324,005.10/x
  3. Step 3: Cross multiply
    324,005.10x = 454,073.70 × 324,005.10
  4. Step 4: Simplify right side
    324,005.10x = 147,122,194,575.87
  5. Step 5: Solve for x
    x = 147,122,194,575.87/324,005.10
  6. Step 6: Final answer
    x = 454,073.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.