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Finding the Fourth Proportional to 437,603.15, 656,346.40 and 122,033.63

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Solution

The fourth proportional to 437,603.15, 656,346.40 and 122,033.63 is: 183,034.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,603.15 : 656,346.40 = 122,033.63 : x
  2. Step 2: Convert to fraction form
    437,603.15/656,346.40 = 122,033.63/x
  3. Step 3: Cross multiply
    437,603.15x = 656,346.40 × 122,033.63
  4. Step 4: Simplify right side
    437,603.15x = 80,096,333,729.43
  5. Step 5: Solve for x
    x = 80,096,333,729.43/437,603.15
  6. Step 6: Final answer
    x = 183,034.18

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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.