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Finding the Fourth Proportional to 607,227.20, 910,840.80 and 186,502.40

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Solution

The fourth proportional to 607,227.20, 910,840.80 and 186,502.40 is: 279,753.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,227.20 : 910,840.80 = 186,502.40 : x
  2. Step 2: Convert to fraction form
    607,227.20/910,840.80 = 186,502.40/x
  3. Step 3: Cross multiply
    607,227.20x = 910,840.80 × 186,502.40
  4. Step 4: Simplify right side
    607,227.20x = 169,873,995,217.92
  5. Step 5: Solve for x
    x = 169,873,995,217.92/607,227.20
  6. Step 6: Final answer
    x = 279,753.60

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Similar ratio
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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.