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Finding the Fourth Proportional to 514,968.60, 772,234.20 and 248,810.70

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Solution

The fourth proportional to 514,968.60, 772,234.20 and 248,810.70 is: 373,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,968.60 : 772,234.20 = 248,810.70 : x
  2. Step 2: Convert to fraction form
    514,968.60/772,234.20 = 248,810.70/x
  3. Step 3: Cross multiply
    514,968.60x = 772,234.20 × 248,810.70
  4. Step 4: Simplify right side
    514,968.60x = 192,140,131,865.94
  5. Step 5: Solve for x
    x = 192,140,131,865.94/514,968.60
  6. Step 6: Final answer
    x = 373,110.38

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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.