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Finding the Fourth Proportional to 357,577.82, 536,588.22 and 207,888.56

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Solution

The fourth proportional to 357,577.82, 536,588.22 and 207,888.56 is: 311,961.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,577.82 : 536,588.22 = 207,888.56 : x
  2. Step 2: Convert to fraction form
    357,577.82/536,588.22 = 207,888.56/x
  3. Step 3: Cross multiply
    357,577.82x = 536,588.22 × 207,888.56
  4. Step 4: Simplify right side
    357,577.82x = 111,550,552,368.76
  5. Step 5: Solve for x
    x = 111,550,552,368.76/357,577.82
  6. Step 6: Final answer
    x = 311,961.61

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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.