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Finding the Fourth Proportional to 590,927.71, 886,668.38 and 291,244.92

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Solution

The fourth proportional to 590,927.71, 886,668.38 and 291,244.92 is: 437,003.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,927.71 : 886,668.38 = 291,244.92 : x
  2. Step 2: Convert to fraction form
    590,927.71/886,668.38 = 291,244.92/x
  3. Step 3: Cross multiply
    590,927.71x = 886,668.38 × 291,244.92
  4. Step 4: Simplify right side
    590,927.71x = 258,237,659,943.41
  5. Step 5: Solve for x
    x = 258,237,659,943.41/590,927.71
  6. Step 6: Final answer
    x = 437,003.81

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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.