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Finding the Fourth Proportional to 617,269.86, 925,907.13 and 217,693.62

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Solution

The fourth proportional to 617,269.86, 925,907.13 and 217,693.62 is: 326,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,269.86 : 925,907.13 = 217,693.62 : x
  2. Step 2: Convert to fraction form
    617,269.86/925,907.13 = 217,693.62/x
  3. Step 3: Cross multiply
    617,269.86x = 925,907.13 × 217,693.62
  4. Step 4: Simplify right side
    617,269.86x = 201,564,074,913.51
  5. Step 5: Solve for x
    x = 201,564,074,913.51/617,269.86
  6. Step 6: Final answer
    x = 326,541.26

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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.