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Finding the Fourth Proportional to 410,030.40, 613,879.20 and 363,374.40

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Solution

The fourth proportional to 410,030.40, 613,879.20 and 363,374.40 is: 544,027.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,030.40 : 613,879.20 = 363,374.40 : x
  2. Step 2: Convert to fraction form
    410,030.40/613,879.20 = 363,374.40/x
  3. Step 3: Cross multiply
    410,030.40x = 613,879.20 × 363,374.40
  4. Step 4: Simplify right side
    410,030.40x = 223,067,985,972.48
  5. Step 5: Solve for x
    x = 223,067,985,972.48/410,030.40
  6. Step 6: Final answer
    x = 544,027.92

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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.