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Finding the Fourth Proportional to 324,666.70, 487,053.36 and 100,027.18

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Solution

The fourth proportional to 324,666.70, 487,053.36 and 100,027.18 is: 150,057.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,666.70 : 487,053.36 = 100,027.18 : x
  2. Step 2: Convert to fraction form
    324,666.70/487,053.36 = 100,027.18/x
  3. Step 3: Cross multiply
    324,666.70x = 487,053.36 × 100,027.18
  4. Step 4: Simplify right side
    324,666.70x = 48,718,574,110.32
  5. Step 5: Solve for x
    x = 48,718,574,110.32/324,666.70
  6. Step 6: Final answer
    x = 150,057.19

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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.