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Finding the Fourth Proportional to 330,166.76, 495,446.88 and 119,821.10

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Solution

The fourth proportional to 330,166.76, 495,446.88 and 119,821.10 is: 179,803.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,166.76 : 495,446.88 = 119,821.10 : x
  2. Step 2: Convert to fraction form
    330,166.76/495,446.88 = 119,821.10/x
  3. Step 3: Cross multiply
    330,166.76x = 495,446.88 × 119,821.10
  4. Step 4: Simplify right side
    330,166.76x = 59,364,990,153.17
  5. Step 5: Solve for x
    x = 59,364,990,153.17/330,166.76
  6. Step 6: Final answer
    x = 179,803.05

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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.