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Finding the Fourth Proportional to 607,281.70, 910,932.28 and 270,243.94

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Solution

The fourth proportional to 607,281.70, 910,932.28 and 270,243.94 is: 405,370.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,281.70 : 910,932.28 = 270,243.94 : x
  2. Step 2: Convert to fraction form
    607,281.70/910,932.28 = 270,243.94/x
  3. Step 3: Cross multiply
    607,281.70x = 910,932.28 × 270,243.94
  4. Step 4: Simplify right side
    607,281.70x = 246,173,928,420.38
  5. Step 5: Solve for x
    x = 246,173,928,420.38/607,281.70
  6. Step 6: Final answer
    x = 405,370.24

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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.