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Finding the Fourth Proportional to 328,036.99, 491,981.66 and 117,674.93

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Solution

The fourth proportional to 328,036.99, 491,981.66 and 117,674.93 is: 176,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,036.99 : 491,981.66 = 117,674.93 : x
  2. Step 2: Convert to fraction form
    328,036.99/491,981.66 = 117,674.93/x
  3. Step 3: Cross multiply
    328,036.99x = 491,981.66 × 117,674.93
  4. Step 4: Simplify right side
    328,036.99x = 57,893,904,353.50
  5. Step 5: Solve for x
    x = 57,893,904,353.50/328,036.99
  6. Step 6: Final answer
    x = 176,485.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.