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Finding the Fourth Proportional to 503,725.66, 755,587.66 and 345,474.34

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Solution

The fourth proportional to 503,725.66, 755,587.66 and 345,474.34 is: 518,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,725.66 : 755,587.66 = 345,474.34 : x
  2. Step 2: Convert to fraction form
    503,725.66/755,587.66 = 345,474.34/x
  3. Step 3: Cross multiply
    503,725.66x = 755,587.66 × 345,474.34
  4. Step 4: Simplify right side
    503,725.66x = 261,036,148,150.64
  5. Step 5: Solve for x
    x = 261,036,148,150.64/503,725.66
  6. Step 6: Final answer
    x = 518,210.94

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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.