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Finding the Fourth Proportional to 351,552.64, 527,407.32 and 193,699.84

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Solution

The fourth proportional to 351,552.64, 527,407.32 and 193,699.84 is: 290,592.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,552.64 : 527,407.32 = 193,699.84 : x
  2. Step 2: Convert to fraction form
    351,552.64/527,407.32 = 193,699.84/x
  3. Step 3: Cross multiply
    351,552.64x = 527,407.32 × 193,699.84
  4. Step 4: Simplify right side
    351,552.64x = 102,158,713,498.83
  5. Step 5: Solve for x
    x = 102,158,713,498.83/351,552.64
  6. Step 6: Final answer
    x = 290,592.94

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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.