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Finding the Fourth Proportional to 606,322.96, 909,577.86 and 206,870.62

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Solution

The fourth proportional to 606,322.96, 909,577.86 and 206,870.62 is: 310,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,322.96 : 909,577.86 = 206,870.62 : x
  2. Step 2: Convert to fraction form
    606,322.96/909,577.86 = 206,870.62/x
  3. Step 3: Cross multiply
    606,322.96x = 909,577.86 × 206,870.62
  4. Step 4: Simplify right side
    606,322.96x = 188,164,935,836.47
  5. Step 5: Solve for x
    x = 188,164,935,836.47/606,322.96
  6. Step 6: Final answer
    x = 310,337.80

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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.