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Finding the Fourth Proportional to 476,490.95, 657,552.96 and 261,629.13

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Solution

The fourth proportional to 476,490.95, 657,552.96 and 261,629.13 is: 361,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,490.95 : 657,552.96 = 261,629.13 : x
  2. Step 2: Convert to fraction form
    476,490.95/657,552.96 = 261,629.13/x
  3. Step 3: Cross multiply
    476,490.95x = 657,552.96 × 261,629.13
  4. Step 4: Simplify right side
    476,490.95x = 172,035,008,853.73
  5. Step 5: Solve for x
    x = 172,035,008,853.73/476,490.95
  6. Step 6: Final answer
    x = 361,045.70

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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.