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Finding the Fourth Proportional to 437,930.10, 656,895.15 and 367,071.30

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Solution

The fourth proportional to 437,930.10, 656,895.15 and 367,071.30 is: 550,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,930.10 : 656,895.15 = 367,071.30 : x
  2. Step 2: Convert to fraction form
    437,930.10/656,895.15 = 367,071.30/x
  3. Step 3: Cross multiply
    437,930.10x = 656,895.15 × 367,071.30
  4. Step 4: Simplify right side
    437,930.10x = 241,127,356,674.20
  5. Step 5: Solve for x
    x = 241,127,356,674.20/437,930.10
  6. Step 6: Final answer
    x = 550,606.95

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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.