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Finding the Fourth Proportional to 409,939.74, 565,480.03 and 246,482.71

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Solution

The fourth proportional to 409,939.74, 565,480.03 and 246,482.71 is: 340,003.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,939.74 : 565,480.03 = 246,482.71 : x
  2. Step 2: Convert to fraction form
    409,939.74/565,480.03 = 246,482.71/x
  3. Step 3: Cross multiply
    409,939.74x = 565,480.03 × 246,482.71
  4. Step 4: Simplify right side
    409,939.74x = 139,381,050,245.28
  5. Step 5: Solve for x
    x = 139,381,050,245.28/409,939.74
  6. Step 6: Final answer
    x = 340,003.75

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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.