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Finding the Fourth Proportional to 586,796.40, 880,021.80 and 231,692.40

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Solution

The fourth proportional to 586,796.40, 880,021.80 and 231,692.40 is: 347,470.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,796.40 : 880,021.80 = 231,692.40 : x
  2. Step 2: Convert to fraction form
    586,796.40/880,021.80 = 231,692.40/x
  3. Step 3: Cross multiply
    586,796.40x = 880,021.80 × 231,692.40
  4. Step 4: Simplify right side
    586,796.40x = 203,894,362,894.32
  5. Step 5: Solve for x
    x = 203,894,362,894.32/586,796.40
  6. Step 6: Final answer
    x = 347,470.37

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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.