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Finding the Fourth Proportional to 303,047.80, 418,169.46 and 173,979.16

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Solution

The fourth proportional to 303,047.80, 418,169.46 and 173,979.16 is: 240,070.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,047.80 : 418,169.46 = 173,979.16 : x
  2. Step 2: Convert to fraction form
    303,047.80/418,169.46 = 173,979.16/x
  3. Step 3: Cross multiply
    303,047.80x = 418,169.46 × 173,979.16
  4. Step 4: Simplify right side
    303,047.80x = 72,752,771,388.45
  5. Step 5: Solve for x
    x = 72,752,771,388.45/303,047.80
  6. Step 6: Final answer
    x = 240,070.28

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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.