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Finding the Fourth Proportional to 559,871.20, 839,806.80 and 335,922.40

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Solution

The fourth proportional to 559,871.20, 839,806.80 and 335,922.40 is: 503,883.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,871.20 : 839,806.80 = 335,922.40 : x
  2. Step 2: Convert to fraction form
    559,871.20/839,806.80 = 335,922.40/x
  3. Step 3: Cross multiply
    559,871.20x = 839,806.80 × 335,922.40
  4. Step 4: Simplify right side
    559,871.20x = 282,109,915,792.32
  5. Step 5: Solve for x
    x = 282,109,915,792.32/559,871.20
  6. Step 6: Final answer
    x = 503,883.60

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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.