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Finding the Fourth Proportional to 357,102.95, 535,804.67 and 222,279.77

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Solution

The fourth proportional to 357,102.95, 535,804.67 and 222,279.77 is: 333,513.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,102.95 : 535,804.67 = 222,279.77 : x
  2. Step 2: Convert to fraction form
    357,102.95/535,804.67 = 222,279.77/x
  3. Step 3: Cross multiply
    357,102.95x = 535,804.67 × 222,279.77
  4. Step 4: Simplify right side
    357,102.95x = 119,098,538,812.53
  5. Step 5: Solve for x
    x = 119,098,538,812.53/357,102.95
  6. Step 6: Final answer
    x = 333,513.18

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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.