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Finding the Fourth Proportional to 514,384.40, 772,074.60 and 248,331.60

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Solution

The fourth proportional to 514,384.40, 772,074.60 and 248,331.60 is: 372,737.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,384.40 : 772,074.60 = 248,331.60 : x
  2. Step 2: Convert to fraction form
    514,384.40/772,074.60 = 248,331.60/x
  3. Step 3: Cross multiply
    514,384.40x = 772,074.60 × 248,331.60
  4. Step 4: Simplify right side
    514,384.40x = 191,730,520,737.36
  5. Step 5: Solve for x
    x = 191,730,520,737.36/514,384.40
  6. Step 6: Final answer
    x = 372,737.82

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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.