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Finding the Fourth Proportional to 351,803.52, 527,454.72 and 164,712.96

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Solution

The fourth proportional to 351,803.52, 527,454.72 and 164,712.96 is: 246,952.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,803.52 : 527,454.72 = 164,712.96 : x
  2. Step 2: Convert to fraction form
    351,803.52/527,454.72 = 164,712.96/x
  3. Step 3: Cross multiply
    351,803.52x = 527,454.72 × 164,712.96
  4. Step 4: Simplify right side
    351,803.52x = 86,878,628,197.17
  5. Step 5: Solve for x
    x = 86,878,628,197.17/351,803.52
  6. Step 6: Final answer
    x = 246,952.13

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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.