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Finding the Fourth Proportional to 404,717.70, 607,076.55 and 194,765.70

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Solution

The fourth proportional to 404,717.70, 607,076.55 and 194,765.70 is: 292,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,717.70 : 607,076.55 = 194,765.70 : x
  2. Step 2: Convert to fraction form
    404,717.70/607,076.55 = 194,765.70/x
  3. Step 3: Cross multiply
    404,717.70x = 607,076.55 × 194,765.70
  4. Step 4: Simplify right side
    404,717.70x = 118,237,689,214.34
  5. Step 5: Solve for x
    x = 118,237,689,214.34/404,717.70
  6. Step 6: Final answer
    x = 292,148.55

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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.