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Finding the Fourth Proportional to 454,269.66, 626,892.19 and 263,393.77

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Solution

The fourth proportional to 454,269.66, 626,892.19 and 263,393.77 is: 363,483.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,269.66 : 626,892.19 = 263,393.77 : x
  2. Step 2: Convert to fraction form
    454,269.66/626,892.19 = 263,393.77/x
  3. Step 3: Cross multiply
    454,269.66x = 626,892.19 × 263,393.77
  4. Step 4: Simplify right side
    454,269.66x = 165,119,497,307.66
  5. Step 5: Solve for x
    x = 165,119,497,307.66/454,269.66
  6. Step 6: Final answer
    x = 363,483.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.