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Finding the Fourth Proportional to 357,696.93, 536,624.22 and 198,005.79

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Solution

The fourth proportional to 357,696.93, 536,624.22 and 198,005.79 is: 297,052.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,696.93 : 536,624.22 = 198,005.79 : x
  2. Step 2: Convert to fraction form
    357,696.93/536,624.22 = 198,005.79/x
  3. Step 3: Cross multiply
    357,696.93x = 536,624.22 × 198,005.79
  4. Step 4: Simplify right side
    357,696.93x = 106,254,702,614.23
  5. Step 5: Solve for x
    x = 106,254,702,614.23/357,696.93
  6. Step 6: Final answer
    x = 297,052.32

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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.