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Finding the Fourth Proportional to 614,369.05, 921,552.78 and 165,089.93

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Solution

The fourth proportional to 614,369.05, 921,552.78 and 165,089.93 is: 247,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,369.05 : 921,552.78 = 165,089.93 : x
  2. Step 2: Convert to fraction form
    614,369.05/921,552.78 = 165,089.93/x
  3. Step 3: Cross multiply
    614,369.05x = 921,552.78 × 165,089.93
  4. Step 4: Simplify right side
    614,369.05x = 152,139,082,389.92
  5. Step 5: Solve for x
    x = 152,139,082,389.92/614,369.05
  6. Step 6: Final answer
    x = 247,634.68

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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.