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Finding the Fourth Proportional to 559,573.31, 772,211.27 and 304,924.50

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Solution

The fourth proportional to 559,573.31, 772,211.27 and 304,924.50 is: 420,795.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,573.31 : 772,211.27 = 304,924.50 : x
  2. Step 2: Convert to fraction form
    559,573.31/772,211.27 = 304,924.50/x
  3. Step 3: Cross multiply
    559,573.31x = 772,211.27 × 304,924.50
  4. Step 4: Simplify right side
    559,573.31x = 235,466,136,161.43
  5. Step 5: Solve for x
    x = 235,466,136,161.43/559,573.31
  6. Step 6: Final answer
    x = 420,795.87

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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.