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Finding the Fourth Proportional to 559,792.80, 839,151.60 and 185,623.20

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Solution

The fourth proportional to 559,792.80, 839,151.60 and 185,623.20 is: 278,256.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,792.80 : 839,151.60 = 185,623.20 : x
  2. Step 2: Convert to fraction form
    559,792.80/839,151.60 = 185,623.20/x
  3. Step 3: Cross multiply
    559,792.80x = 839,151.60 × 185,623.20
  4. Step 4: Simplify right side
    559,792.80x = 155,766,005,277.12
  5. Step 5: Solve for x
    x = 155,766,005,277.12/559,792.80
  6. Step 6: Final answer
    x = 278,256.54

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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.