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Finding the Fourth Proportional to 404,582.40, 606,873.60 and 361,036.80

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Solution

The fourth proportional to 404,582.40, 606,873.60 and 361,036.80 is: 541,555.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,582.40 : 606,873.60 = 361,036.80 : x
  2. Step 2: Convert to fraction form
    404,582.40/606,873.60 = 361,036.80/x
  3. Step 3: Cross multiply
    404,582.40x = 606,873.60 × 361,036.80
  4. Step 4: Simplify right side
    404,582.40x = 219,103,702,548.48
  5. Step 5: Solve for x
    x = 219,103,702,548.48/404,582.40
  6. Step 6: Final answer
    x = 541,555.20

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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.