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Finding the Fourth Proportional to 528,483.69, 792,723.34 and 191,445.42

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Solution

The fourth proportional to 528,483.69, 792,723.34 and 191,445.42 is: 287,167.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,483.69 : 792,723.34 = 191,445.42 : x
  2. Step 2: Convert to fraction form
    528,483.69/792,723.34 = 191,445.42/x
  3. Step 3: Cross multiply
    528,483.69x = 792,723.34 × 191,445.42
  4. Step 4: Simplify right side
    528,483.69x = 151,763,255,982.12
  5. Step 5: Solve for x
    x = 151,763,255,982.12/528,483.69
  6. Step 6: Final answer
    x = 287,167.34

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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.