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Finding the Fourth Proportional to 357,415.03, 536,344.13 and 207,725.82

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Solution

The fourth proportional to 357,415.03, 536,344.13 and 207,725.82 is: 311,717.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,415.03 : 536,344.13 = 207,725.82 : x
  2. Step 2: Convert to fraction form
    357,415.03/536,344.13 = 207,725.82/x
  3. Step 3: Cross multiply
    357,415.03x = 536,344.13 × 207,725.82
  4. Step 4: Simplify right side
    357,415.03x = 111,412,522,714.46
  5. Step 5: Solve for x
    x = 111,412,522,714.46/357,415.03
  6. Step 6: Final answer
    x = 311,717.51

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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.