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Finding the Fourth Proportional to 335,979, 463,660.74 and 185,085.72

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Solution

The fourth proportional to 335,979, 463,660.74 and 185,085.72 is: 255,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,979 : 463,660.74 = 185,085.72 : x
  2. Step 2: Convert to fraction form
    335,979/463,660.74 = 185,085.72/x
  3. Step 3: Cross multiply
    335,979x = 463,660.74 × 185,085.72
  4. Step 4: Simplify right side
    335,979x = 85,816,981,898.63
  5. Step 5: Solve for x
    x = 85,816,981,898.63/335,979
  6. Step 6: Final answer
    x = 255,423.65

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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.