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Finding the Fourth Proportional to 357,697.93, 536,625.72 and 198,006.79

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Solution

The fourth proportional to 357,697.93, 536,625.72 and 198,006.79 is: 297,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,697.93 : 536,625.72 = 198,006.79 : x
  2. Step 2: Convert to fraction form
    357,697.93/536,625.72 = 198,006.79/x
  3. Step 3: Cross multiply
    357,697.93x = 536,625.72 × 198,006.79
  4. Step 4: Simplify right side
    357,697.93x = 106,255,536,248.64
  5. Step 5: Solve for x
    x = 106,255,536,248.64/357,697.93
  6. Step 6: Final answer
    x = 297,053.82

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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.