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Finding the Fourth Proportional to 519,395.02, 779,193.51 and 199,523.50

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Solution

The fourth proportional to 519,395.02, 779,193.51 and 199,523.50 is: 299,324.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,395.02 : 779,193.51 = 199,523.50 : x
  2. Step 2: Convert to fraction form
    519,395.02/779,193.51 = 199,523.50/x
  3. Step 3: Cross multiply
    519,395.02x = 779,193.51 × 199,523.50
  4. Step 4: Simplify right side
    519,395.02x = 155,467,416,292.49
  5. Step 5: Solve for x
    x = 155,467,416,292.49/519,395.02
  6. Step 6: Final answer
    x = 299,324.04

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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.