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Finding the Fourth Proportional to 606,289.65, 909,184.25 and 206,962.62

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Solution

The fourth proportional to 606,289.65, 909,184.25 and 206,962.62 is: 310,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,289.65 : 909,184.25 = 206,962.62 : x
  2. Step 2: Convert to fraction form
    606,289.65/909,184.25 = 206,962.62/x
  3. Step 3: Cross multiply
    606,289.65x = 909,184.25 × 206,962.62
  4. Step 4: Simplify right side
    606,289.65x = 188,167,154,442.74
  5. Step 5: Solve for x
    x = 188,167,154,442.74/606,289.65
  6. Step 6: Final answer
    x = 310,358.51

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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.