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Finding the Fourth Proportional to 511,718.19, 766,954.59 and 362,001.65

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Solution

The fourth proportional to 511,718.19, 766,954.59 and 362,001.65 is: 542,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,718.19 : 766,954.59 = 362,001.65 : x
  2. Step 2: Convert to fraction form
    511,718.19/766,954.59 = 362,001.65/x
  3. Step 3: Cross multiply
    511,718.19x = 766,954.59 × 362,001.65
  4. Step 4: Simplify right side
    511,718.19x = 277,638,823,220.30
  5. Step 5: Solve for x
    x = 277,638,823,220.30/511,718.19
  6. Step 6: Final answer
    x = 542,561.96

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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.