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Finding the Fourth Proportional to 404,027.70, 606,041.55 and 292,053.30

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Solution

The fourth proportional to 404,027.70, 606,041.55 and 292,053.30 is: 438,079.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,027.70 : 606,041.55 = 292,053.30 : x
  2. Step 2: Convert to fraction form
    404,027.70/606,041.55 = 292,053.30/x
  3. Step 3: Cross multiply
    404,027.70x = 606,041.55 × 292,053.30
  4. Step 4: Simplify right side
    404,027.70x = 176,996,434,614.62
  5. Step 5: Solve for x
    x = 176,996,434,614.62/404,027.70
  6. Step 6: Final answer
    x = 438,079.95

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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.