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Finding the Fourth Proportional to 590,559.78, 885,980.76 and 191,200.98

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Solution

The fourth proportional to 590,559.78, 885,980.76 and 191,200.98 is: 286,847.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,559.78 : 885,980.76 = 191,200.98 : x
  2. Step 2: Convert to fraction form
    590,559.78/885,980.76 = 191,200.98/x
  3. Step 3: Cross multiply
    590,559.78x = 885,980.76 × 191,200.98
  4. Step 4: Simplify right side
    590,559.78x = 169,400,389,573.15
  5. Step 5: Solve for x
    x = 169,400,389,573.15/590,559.78
  6. Step 6: Final answer
    x = 286,847.15

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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.