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Finding the Fourth Proportional to 502,572.20, 693,541.58 and 276,212.84

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Solution

The fourth proportional to 502,572.20, 693,541.58 and 276,212.84 is: 381,169.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,572.20 : 693,541.58 = 276,212.84 : x
  2. Step 2: Convert to fraction form
    502,572.20/693,541.58 = 276,212.84/x
  3. Step 3: Cross multiply
    502,572.20x = 693,541.58 × 276,212.84
  4. Step 4: Simplify right side
    502,572.20x = 191,565,089,469.89
  5. Step 5: Solve for x
    x = 191,565,089,469.89/502,572.20
  6. Step 6: Final answer
    x = 381,169.29

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1.5x scale

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.