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Finding the Fourth Proportional to 356,486.58, 534,848.99 and 116,611.38

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Solution

The fourth proportional to 356,486.58, 534,848.99 and 116,611.38 is: 174,956.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,486.58 : 534,848.99 = 116,611.38 : x
  2. Step 2: Convert to fraction form
    356,486.58/534,848.99 = 116,611.38/x
  3. Step 3: Cross multiply
    356,486.58x = 534,848.99 × 116,611.38
  4. Step 4: Simplify right side
    356,486.58x = 62,369,478,232.45
  5. Step 5: Solve for x
    x = 62,369,478,232.45/356,486.58
  6. Step 6: Final answer
    x = 174,956.03

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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.