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Finding the Fourth Proportional to 590,586.63, 815,009.57 and 322,314.63

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Solution

The fourth proportional to 590,586.63, 815,009.57 and 322,314.63 is: 444,794.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,586.63 : 815,009.57 = 322,314.63 : x
  2. Step 2: Convert to fraction form
    590,586.63/815,009.57 = 322,314.63/x
  3. Step 3: Cross multiply
    590,586.63x = 815,009.57 × 322,314.63
  4. Step 4: Simplify right side
    590,586.63x = 262,689,508,001.01
  5. Step 5: Solve for x
    x = 262,689,508,001.01/590,586.63
  6. Step 6: Final answer
    x = 444,794.20

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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.