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Finding the Fourth Proportional to 515,868.52, 773,956.50 and 246,199.24

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Solution

The fourth proportional to 515,868.52, 773,956.50 and 246,199.24 is: 369,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,868.52 : 773,956.50 = 246,199.24 : x
  2. Step 2: Convert to fraction form
    515,868.52/773,956.50 = 246,199.24/x
  3. Step 3: Cross multiply
    515,868.52x = 773,956.50 × 246,199.24
  4. Step 4: Simplify right side
    515,868.52x = 190,547,502,093.06
  5. Step 5: Solve for x
    x = 190,547,502,093.06/515,868.52
  6. Step 6: Final answer
    x = 369,372.22

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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.