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Finding the Fourth Proportional to 437,351.16, 603,572.40 and 329,731.32

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Solution

The fourth proportional to 437,351.16, 603,572.40 and 329,731.32 is: 455,050.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,351.16 : 603,572.40 = 329,731.32 : x
  2. Step 2: Convert to fraction form
    437,351.16/603,572.40 = 329,731.32/x
  3. Step 3: Cross multiply
    437,351.16x = 603,572.40 × 329,731.32
  4. Step 4: Simplify right side
    437,351.16x = 199,016,724,167.57
  5. Step 5: Solve for x
    x = 199,016,724,167.57/437,351.16
  6. Step 6: Final answer
    x = 455,050.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.