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Finding the Fourth Proportional to 590,857.26, 886,099.98 and 191,405.35

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Solution

The fourth proportional to 590,857.26, 886,099.98 and 191,405.35 is: 287,047.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,857.26 : 886,099.98 = 191,405.35 : x
  2. Step 2: Convert to fraction form
    590,857.26/886,099.98 = 191,405.35/x
  3. Step 3: Cross multiply
    590,857.26x = 886,099.98 × 191,405.35
  4. Step 4: Simplify right side
    590,857.26x = 169,604,276,806.89
  5. Step 5: Solve for x
    x = 169,604,276,806.89/590,857.26
  6. Step 6: Final answer
    x = 287,047.80

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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.