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Finding the Fourth Proportional to 360,570.72, 497,568.06 and 199,416.36

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Solution

The fourth proportional to 360,570.72, 497,568.06 and 199,416.36 is: 275,183.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,570.72 : 497,568.06 = 199,416.36 : x
  2. Step 2: Convert to fraction form
    360,570.72/497,568.06 = 199,416.36/x
  3. Step 3: Cross multiply
    360,570.72x = 497,568.06 × 199,416.36
  4. Step 4: Simplify right side
    360,570.72x = 99,223,211,377.46
  5. Step 5: Solve for x
    x = 99,223,211,377.46/360,570.72
  6. Step 6: Final answer
    x = 275,183.77

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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.