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Finding the Fourth Proportional to 616,752.65, 925,215.94 and 190,323.18

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Solution

The fourth proportional to 616,752.65, 925,215.94 and 190,323.18 is: 285,511.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,752.65 : 925,215.94 = 190,323.18 : x
  2. Step 2: Convert to fraction form
    616,752.65/925,215.94 = 190,323.18/x
  3. Step 3: Cross multiply
    616,752.65x = 925,215.94 × 190,323.18
  4. Step 4: Simplify right side
    616,752.65x = 176,090,039,887.49
  5. Step 5: Solve for x
    x = 176,090,039,887.49/616,752.65
  6. Step 6: Final answer
    x = 285,511.61

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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.