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Finding the Fourth Proportional to 606,826.68, 909,940.50 and 186,001.08

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Solution

The fourth proportional to 606,826.68, 909,940.50 and 186,001.08 is: 278,909.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,826.68 : 909,940.50 = 186,001.08 : x
  2. Step 2: Convert to fraction form
    606,826.68/909,940.50 = 186,001.08/x
  3. Step 3: Cross multiply
    606,826.68x = 909,940.50 × 186,001.08
  4. Step 4: Simplify right side
    606,826.68x = 169,249,915,735.74
  5. Step 5: Solve for x
    x = 169,249,915,735.74/606,826.68
  6. Step 6: Final answer
    x = 278,909.81

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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.