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Finding the Fourth Proportional to 496,980.08, 745,619.16 and 155,409.68

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Solution

The fourth proportional to 496,980.08, 745,619.16 and 155,409.68 is: 233,161.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,980.08 : 745,619.16 = 155,409.68 : x
  2. Step 2: Convert to fraction form
    496,980.08/745,619.16 = 155,409.68/x
  3. Step 3: Cross multiply
    496,980.08x = 745,619.16 × 155,409.68
  4. Step 4: Simplify right side
    496,980.08x = 115,876,435,057.47
  5. Step 5: Solve for x
    x = 115,876,435,057.47/496,980.08
  6. Step 6: Final answer
    x = 233,161.13

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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.