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Finding the Fourth Proportional to 330,334.05, 495,574.92 and 105,707.97

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Solution

The fourth proportional to 330,334.05, 495,574.92 and 105,707.97 is: 158,585.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,334.05 : 495,574.92 = 105,707.97 : x
  2. Step 2: Convert to fraction form
    330,334.05/495,574.92 = 105,707.97/x
  3. Step 3: Cross multiply
    330,334.05x = 495,574.92 × 105,707.97
  4. Step 4: Simplify right side
    330,334.05x = 52,386,218,776.11
  5. Step 5: Solve for x
    x = 52,386,218,776.11/330,334.05
  6. Step 6: Final answer
    x = 158,585.59

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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.