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Finding the Fourth Proportional to 330,166.08, 454,813.02 and 281,609.82

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Solution

The fourth proportional to 330,166.08, 454,813.02 and 281,609.82 is: 387,925.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,166.08 : 454,813.02 = 281,609.82 : x
  2. Step 2: Convert to fraction form
    330,166.08/454,813.02 = 281,609.82/x
  3. Step 3: Cross multiply
    330,166.08x = 454,813.02 × 281,609.82
  4. Step 4: Simplify right side
    330,166.08x = 128,079,812,695.86
  5. Step 5: Solve for x
    x = 128,079,812,695.86/330,166.08
  6. Step 6: Final answer
    x = 387,925.41

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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.