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Finding the Fourth Proportional to 590,469.60, 885,790.80 and 191,042.40

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Solution

The fourth proportional to 590,469.60, 885,790.80 and 191,042.40 is: 286,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,469.60 : 885,790.80 = 191,042.40 : x
  2. Step 2: Convert to fraction form
    590,469.60/885,790.80 = 191,042.40/x
  3. Step 3: Cross multiply
    590,469.60x = 885,790.80 × 191,042.40
  4. Step 4: Simplify right side
    590,469.60x = 169,223,600,329.92
  5. Step 5: Solve for x
    x = 169,223,600,329.92/590,469.60
  6. Step 6: Final answer
    x = 286,591.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.