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Finding the Fourth Proportional to 330,129.59, 495,227.19 and 119,783.93

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Solution

The fourth proportional to 330,129.59, 495,227.19 and 119,783.93 is: 179,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,129.59 : 495,227.19 = 119,783.93 : x
  2. Step 2: Convert to fraction form
    330,129.59/495,227.19 = 119,783.93/x
  3. Step 3: Cross multiply
    330,129.59x = 495,227.19 × 119,783.93
  4. Step 4: Simplify right side
    330,129.59x = 59,320,259,061.06
  5. Step 5: Solve for x
    x = 59,320,259,061.06/330,129.59
  6. Step 6: Final answer
    x = 179,687.80

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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.