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Finding the Fourth Proportional to 455,503.59, 683,181.56 and 202,724.66

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Solution

The fourth proportional to 455,503.59, 683,181.56 and 202,724.66 is: 304,054.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,503.59 : 683,181.56 = 202,724.66 : x
  2. Step 2: Convert to fraction form
    455,503.59/683,181.56 = 202,724.66/x
  3. Step 3: Cross multiply
    455,503.59x = 683,181.56 × 202,724.66
  4. Step 4: Simplify right side
    455,503.59x = 138,497,745,039.74
  5. Step 5: Solve for x
    x = 138,497,745,039.74/455,503.59
  6. Step 6: Final answer
    x = 304,054.12

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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.