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Finding the Fourth Proportional to 614,368.62, 921,552.14 and 165,089.49

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Solution

The fourth proportional to 614,368.62, 921,552.14 and 165,089.49 is: 247,634.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,368.62 : 921,552.14 = 165,089.49 : x
  2. Step 2: Convert to fraction form
    614,368.62/921,552.14 = 165,089.49/x
  3. Step 3: Cross multiply
    614,368.62x = 921,552.14 × 165,089.49
  4. Step 4: Simplify right side
    614,368.62x = 152,138,575,844.11
  5. Step 5: Solve for x
    x = 152,138,575,844.11/614,368.62
  6. Step 6: Final answer
    x = 247,634.03

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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.