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Finding the Fourth Proportional to 404,015.70, 606,023.55 and 292,041.30

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Solution

The fourth proportional to 404,015.70, 606,023.55 and 292,041.30 is: 438,061.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,015.70 : 606,023.55 = 292,041.30 : x
  2. Step 2: Convert to fraction form
    404,015.70/606,023.55 = 292,041.30/x
  3. Step 3: Cross multiply
    404,015.70x = 606,023.55 × 292,041.30
  4. Step 4: Simplify right side
    404,015.70x = 176,983,905,372.62
  5. Step 5: Solve for x
    x = 176,983,905,372.62/404,015.70
  6. Step 6: Final answer
    x = 438,061.95

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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.