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Finding the Fourth Proportional to 368,408.16, 508,358.16 and 232,391.04

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Solution

The fourth proportional to 368,408.16, 508,358.16 and 232,391.04 is: 320,671.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,408.16 : 508,358.16 = 232,391.04 : x
  2. Step 2: Convert to fraction form
    368,408.16/508,358.16 = 232,391.04/x
  3. Step 3: Cross multiply
    368,408.16x = 508,358.16 × 232,391.04
  4. Step 4: Simplify right side
    368,408.16x = 118,137,881,494.89
  5. Step 5: Solve for x
    x = 118,137,881,494.89/368,408.16
  6. Step 6: Final answer
    x = 320,671.19

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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.