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Finding the Fourth Proportional to 437,605.02, 655,349.40 and 362,169.90

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Solution

The fourth proportional to 437,605.02, 655,349.40 and 362,169.90 is: 542,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,605.02 : 655,349.40 = 362,169.90 : x
  2. Step 2: Convert to fraction form
    437,605.02/655,349.40 = 362,169.90/x
  3. Step 3: Cross multiply
    437,605.02x = 655,349.40 × 362,169.90
  4. Step 4: Simplify right side
    437,605.02x = 237,347,826,663.06
  5. Step 5: Solve for x
    x = 237,347,826,663.06/437,605.02
  6. Step 6: Final answer
    x = 542,379.12

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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.