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Finding the Fourth Proportional to 341,006.66, 511,512.54 and 151,415.98

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Solution

The fourth proportional to 341,006.66, 511,512.54 and 151,415.98 is: 227,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,006.66 : 511,512.54 = 151,415.98 : x
  2. Step 2: Convert to fraction form
    341,006.66/511,512.54 = 151,415.98/x
  3. Step 3: Cross multiply
    341,006.66x = 511,512.54 × 151,415.98
  4. Step 4: Simplify right side
    341,006.66x = 77,451,172,526.39
  5. Step 5: Solve for x
    x = 77,451,172,526.39/341,006.66
  6. Step 6: Final answer
    x = 227,125.10

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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.