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Finding the Fourth Proportional to 330,133.84, 495,010.86 and 176,069.78

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Solution

The fourth proportional to 330,133.84, 495,010.86 and 176,069.78 is: 264,003.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,133.84 : 495,010.86 = 176,069.78 : x
  2. Step 2: Convert to fraction form
    330,133.84/495,010.86 = 176,069.78/x
  3. Step 3: Cross multiply
    330,133.84x = 495,010.86 × 176,069.78
  4. Step 4: Simplify right side
    330,133.84x = 87,156,453,217.81
  5. Step 5: Solve for x
    x = 87,156,453,217.81/330,133.84
  6. Step 6: Final answer
    x = 264,003.39

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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.