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Finding the Fourth Proportional to 437,607.40, 656,015.10 and 304,551.40

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Solution

The fourth proportional to 437,607.40, 656,015.10 and 304,551.40 is: 456,551.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,607.40 : 656,015.10 = 304,551.40 : x
  2. Step 2: Convert to fraction form
    437,607.40/656,015.10 = 304,551.40/x
  3. Step 3: Cross multiply
    437,607.40x = 656,015.10 × 304,551.40
  4. Step 4: Simplify right side
    437,607.40x = 199,790,317,126.14
  5. Step 5: Solve for x
    x = 199,790,317,126.14/437,607.40
  6. Step 6: Final answer
    x = 456,551.51

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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.