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Finding the Fourth Proportional to 514,510.78, 772,029.44 and 244,943.60

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Solution

The fourth proportional to 514,510.78, 772,029.44 and 244,943.60 is: 367,540.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,510.78 : 772,029.44 = 244,943.60 : x
  2. Step 2: Convert to fraction form
    514,510.78/772,029.44 = 244,943.60/x
  3. Step 3: Cross multiply
    514,510.78x = 772,029.44 × 244,943.60
  4. Step 4: Simplify right side
    514,510.78x = 189,103,670,339.58
  5. Step 5: Solve for x
    x = 189,103,670,339.58/514,510.78
  6. Step 6: Final answer
    x = 367,540.74

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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.