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Finding the Fourth Proportional to 607,478.54, 910,649.52 and 270,336.02

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Solution

The fourth proportional to 607,478.54, 910,649.52 and 270,336.02 is: 405,251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,478.54 : 910,649.52 = 270,336.02 : x
  2. Step 2: Convert to fraction form
    607,478.54/910,649.52 = 270,336.02/x
  3. Step 3: Cross multiply
    607,478.54x = 910,649.52 × 270,336.02
  4. Step 4: Simplify right side
    607,478.54x = 246,181,362,298.46
  5. Step 5: Solve for x
    x = 246,181,362,298.46/607,478.54
  6. Step 6: Final answer
    x = 405,251.13

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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.