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Finding the Fourth Proportional to 519,719.20, 779,578.74 and 195,568.24

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Solution

The fourth proportional to 519,719.20, 779,578.74 and 195,568.24 is: 293,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,719.20 : 779,578.74 = 195,568.24 : x
  2. Step 2: Convert to fraction form
    519,719.20/779,578.74 = 195,568.24/x
  3. Step 3: Cross multiply
    519,719.20x = 779,578.74 × 195,568.24
  4. Step 4: Simplify right side
    519,719.20x = 152,460,842,123.22
  5. Step 5: Solve for x
    x = 152,460,842,123.22/519,719.20
  6. Step 6: Final answer
    x = 293,352.34

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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.