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Finding the Fourth Proportional to 607,436.28, 910,586.34 and 270,293.76

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Solution

The fourth proportional to 607,436.28, 910,586.34 and 270,293.76 is: 405,187.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,436.28 : 910,586.34 = 270,293.76 : x
  2. Step 2: Convert to fraction form
    607,436.28/910,586.34 = 270,293.76/x
  3. Step 3: Cross multiply
    607,436.28x = 910,586.34 × 270,293.76
  4. Step 4: Simplify right side
    607,436.28x = 246,125,805,643.24
  5. Step 5: Solve for x
    x = 246,125,805,643.24/607,436.28
  6. Step 6: Final answer
    x = 405,187.86

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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.