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Finding the Fourth Proportional to 355,574.78, 533,347.94 and 195,967.11

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Solution

The fourth proportional to 355,574.78, 533,347.94 and 195,967.11 is: 293,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,574.78 : 533,347.94 = 195,967.11 : x
  2. Step 2: Convert to fraction form
    355,574.78/533,347.94 = 195,967.11/x
  3. Step 3: Cross multiply
    355,574.78x = 533,347.94 × 195,967.11
  4. Step 4: Simplify right side
    355,574.78x = 104,518,656,916.23
  5. Step 5: Solve for x
    x = 104,518,656,916.23/355,574.78
  6. Step 6: Final answer
    x = 293,942.83

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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.