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Finding the Fourth Proportional to 528,480.86, 792,693.03 and 186,900.62

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Solution

The fourth proportional to 528,480.86, 792,693.03 and 186,900.62 is: 280,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,480.86 : 792,693.03 = 186,900.62 : x
  2. Step 2: Convert to fraction form
    528,480.86/792,693.03 = 186,900.62/x
  3. Step 3: Cross multiply
    528,480.86x = 792,693.03 × 186,900.62
  4. Step 4: Simplify right side
    528,480.86x = 148,154,815,514.09
  5. Step 5: Solve for x
    x = 148,154,815,514.09/528,480.86
  6. Step 6: Final answer
    x = 280,340.93

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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.