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Finding the Fourth Proportional to 511,820.51, 767,108.14 and 362,103.95

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Solution

The fourth proportional to 511,820.51, 767,108.14 and 362,103.95 is: 542,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,820.51 : 767,108.14 = 362,103.95 : x
  2. Step 2: Convert to fraction form
    511,820.51/767,108.14 = 362,103.95/x
  3. Step 3: Cross multiply
    511,820.51x = 767,108.14 × 362,103.95
  4. Step 4: Simplify right side
    511,820.51x = 277,772,888,583.66
  5. Step 5: Solve for x
    x = 277,772,888,583.66/511,820.51
  6. Step 6: Final answer
    x = 542,715.44

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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.