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Finding the Fourth Proportional to 404,582.16, 606,826.08 and 254,379.12

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Solution

The fourth proportional to 404,582.16, 606,826.08 and 254,379.12 is: 381,539.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,582.16 : 606,826.08 = 254,379.12 : x
  2. Step 2: Convert to fraction form
    404,582.16/606,826.08 = 254,379.12/x
  3. Step 3: Cross multiply
    404,582.16x = 606,826.08 × 254,379.12
  4. Step 4: Simplify right side
    404,582.16x = 154,363,884,223.45
  5. Step 5: Solve for x
    x = 154,363,884,223.45/404,582.16
  6. Step 6: Final answer
    x = 381,539.03

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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.