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Finding the Fourth Proportional to 528,072.36, 792,315.90 and 232,377

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Solution

The fourth proportional to 528,072.36, 792,315.90 and 232,377 is: 348,656.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,072.36 : 792,315.90 = 232,377 : x
  2. Step 2: Convert to fraction form
    528,072.36/792,315.90 = 232,377/x
  3. Step 3: Cross multiply
    528,072.36x = 792,315.90 × 232,377
  4. Step 4: Simplify right side
    528,072.36x = 184,115,991,894.30
  5. Step 5: Solve for x
    x = 184,115,991,894.30/528,072.36
  6. Step 6: Final answer
    x = 348,656.75

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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.