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Finding the Fourth Proportional to 606,825.68, 909,939 and 186,000.08

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Solution

The fourth proportional to 606,825.68, 909,939 and 186,000.08 is: 278,908.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,825.68 : 909,939 = 186,000.08 : x
  2. Step 2: Convert to fraction form
    606,825.68/909,939 = 186,000.08/x
  3. Step 3: Cross multiply
    606,825.68x = 909,939 × 186,000.08
  4. Step 4: Simplify right side
    606,825.68x = 169,248,726,795.12
  5. Step 5: Solve for x
    x = 169,248,726,795.12/606,825.68
  6. Step 6: Final answer
    x = 278,908.31

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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.