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Finding the Fourth Proportional to 772,990.56, 1,066,738 and 467,024.48

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Solution

The fourth proportional to 772,990.56, 1,066,738 and 467,024.48 is: 644,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,990.56 : 1,066,738 = 467,024.48 : x
  2. Step 2: Convert to fraction form
    772,990.56/1,066,738 = 467,024.48/x
  3. Step 3: Cross multiply
    772,990.56x = 1,066,738 × 467,024.48
  4. Step 4: Simplify right side
    772,990.56x = 498,192,759,746.24
  5. Step 5: Solve for x
    x = 498,192,759,746.24/772,990.56
  6. Step 6: Final answer
    x = 644,500.44

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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.