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Finding the Fourth Proportional to 559,972.89, 839,647.40 and 332,360.91

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Solution

The fourth proportional to 559,972.89, 839,647.40 and 332,360.91 is: 498,356.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,972.89 : 839,647.40 = 332,360.91 : x
  2. Step 2: Convert to fraction form
    559,972.89/839,647.40 = 332,360.91/x
  3. Step 3: Cross multiply
    559,972.89x = 839,647.40 × 332,360.91
  4. Step 4: Simplify right side
    559,972.89x = 279,065,972,281.33
  5. Step 5: Solve for x
    x = 279,065,972,281.33/559,972.89
  6. Step 6: Final answer
    x = 498,356.22

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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.