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Finding the Fourth Proportional to 404,165,710.80, 606,248,566.20 and 275,025,547.80

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Solution

The fourth proportional to 404,165,710.80, 606,248,566.20 and 275,025,547.80 is: 412,538,321.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,165,710.80 : 606,248,566.20 = 275,025,547.80 : x
  2. Step 2: Convert to fraction form
    404,165,710.80/606,248,566.20 = 275,025,547.80/x
  3. Step 3: Cross multiply
    404,165,710.80x = 606,248,566.20 × 275,025,547.80
  4. Step 4: Simplify right side
    404,165,710.80x = 166,733,844,022,119,584
  5. Step 5: Solve for x
    x = 166,733,844,022,119,584/404,165,710.80
  6. Step 6: Final answer
    x = 412,538,321.70

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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.