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Finding the Fourth Proportional to 610,672.37, 842,724.76 and 338,737.44

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Solution

The fourth proportional to 610,672.37, 842,724.76 and 338,737.44 is: 467,455.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,672.37 : 842,724.76 = 338,737.44 : x
  2. Step 2: Convert to fraction form
    610,672.37/842,724.76 = 338,737.44/x
  3. Step 3: Cross multiply
    610,672.37x = 842,724.76 × 338,737.44
  4. Step 4: Simplify right side
    610,672.37x = 285,462,430,775.52
  5. Step 5: Solve for x
    x = 285,462,430,775.52/610,672.37
  6. Step 6: Final answer
    x = 467,455.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.