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Finding the Fourth Proportional to 330,144.71, 456,027.06 and 273,014.79

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Solution

The fourth proportional to 330,144.71, 456,027.06 and 273,014.79 is: 377,113.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,144.71 : 456,027.06 = 273,014.79 : x
  2. Step 2: Convert to fraction form
    330,144.71/456,027.06 = 273,014.79/x
  3. Step 3: Cross multiply
    330,144.71x = 456,027.06 × 273,014.79
  4. Step 4: Simplify right side
    330,144.71x = 124,502,132,020.22
  5. Step 5: Solve for x
    x = 124,502,132,020.22/330,144.71
  6. Step 6: Final answer
    x = 377,113.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.