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Finding the Fourth Proportional to 404,240.65, 606,362.79 and 104,699.95

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Solution

The fourth proportional to 404,240.65, 606,362.79 and 104,699.95 is: 157,050.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,240.65 : 606,362.79 = 104,699.95 : x
  2. Step 2: Convert to fraction form
    404,240.65/606,362.79 = 104,699.95/x
  3. Step 3: Cross multiply
    404,240.65x = 606,362.79 × 104,699.95
  4. Step 4: Simplify right side
    404,240.65x = 63,486,153,794.86
  5. Step 5: Solve for x
    x = 63,486,153,794.86/404,240.65
  6. Step 6: Final answer
    x = 157,050.40

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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.