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Finding the Fourth Proportional to 559,608.12, 772,236.72 and 304,953.84

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Solution

The fourth proportional to 559,608.12, 772,236.72 and 304,953.84 is: 420,824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,608.12 : 772,236.72 = 304,953.84 : x
  2. Step 2: Convert to fraction form
    559,608.12/772,236.72 = 304,953.84/x
  3. Step 3: Cross multiply
    559,608.12x = 772,236.72 × 304,953.84
  4. Step 4: Simplify right side
    559,608.12x = 235,496,553,153.01
  5. Step 5: Solve for x
    x = 235,496,553,153.01/559,608.12
  6. Step 6: Final answer
    x = 420,824.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.