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Finding the Fourth Proportional to 437,516.34, 603,772.96 and 236,312.34

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Solution

The fourth proportional to 437,516.34, 603,772.96 and 236,312.34 is: 326,111.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,516.34 : 603,772.96 = 236,312.34 : x
  2. Step 2: Convert to fraction form
    437,516.34/603,772.96 = 236,312.34/x
  3. Step 3: Cross multiply
    437,516.34x = 603,772.96 × 236,312.34
  4. Step 4: Simplify right side
    437,516.34x = 142,679,003,565.87
  5. Step 5: Solve for x
    x = 142,679,003,565.87/437,516.34
  6. Step 6: Final answer
    x = 326,111.25

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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.