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Finding the Fourth Proportional to 359,277.15, 538,471.95 and 308,317.98

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Solution

The fourth proportional to 359,277.15, 538,471.95 and 308,317.98 is: 462,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,277.15 : 538,471.95 = 308,317.98 : x
  2. Step 2: Convert to fraction form
    359,277.15/538,471.95 = 308,317.98/x
  3. Step 3: Cross multiply
    359,277.15x = 538,471.95 × 308,317.98
  4. Step 4: Simplify right side
    359,277.15x = 166,020,583,910.66
  5. Step 5: Solve for x
    x = 166,020,583,910.66/359,277.15
  6. Step 6: Final answer
    x = 462,096.14

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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.