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Finding the Fourth Proportional to 467,016.51, 644,498.60 and 276,193.47

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Solution

The fourth proportional to 467,016.51, 644,498.60 and 276,193.47 is: 381,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,016.51 : 644,498.60 = 276,193.47 : x
  2. Step 2: Convert to fraction form
    467,016.51/644,498.60 = 276,193.47/x
  3. Step 3: Cross multiply
    467,016.51x = 644,498.60 × 276,193.47
  4. Step 4: Simplify right side
    467,016.51x = 178,006,303,363.18
  5. Step 5: Solve for x
    x = 178,006,303,363.18/467,016.51
  6. Step 6: Final answer
    x = 381,156.34

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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.