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Finding the Fourth Proportional to 454,377.72, 627,041.28 and 263,501.82

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Solution

The fourth proportional to 454,377.72, 627,041.28 and 263,501.82 is: 363,632.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,377.72 : 627,041.28 = 263,501.82 : x
  2. Step 2: Convert to fraction form
    454,377.72/627,041.28 = 263,501.82/x
  3. Step 3: Cross multiply
    454,377.72x = 627,041.28 × 263,501.82
  4. Step 4: Simplify right side
    454,377.72x = 165,226,518,495.13
  5. Step 5: Solve for x
    x = 165,226,518,495.13/454,377.72
  6. Step 6: Final answer
    x = 363,632.53

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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.