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Finding the Fourth Proportional to 528,357, 792,652.14 and 195,933

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Solution

The fourth proportional to 528,357, 792,652.14 and 195,933 is: 293,942.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,357 : 792,652.14 = 195,933 : x
  2. Step 2: Convert to fraction form
    528,357/792,652.14 = 195,933/x
  3. Step 3: Cross multiply
    528,357x = 792,652.14 × 195,933
  4. Step 4: Simplify right side
    528,357x = 155,306,711,746.62
  5. Step 5: Solve for x
    x = 155,306,711,746.62/528,357
  6. Step 6: Final answer
    x = 293,942.75

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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.