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Finding the Fourth Proportional to 404,650.60, 606,975.90 and 194,698.60

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Solution

The fourth proportional to 404,650.60, 606,975.90 and 194,698.60 is: 292,047.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,650.60 : 606,975.90 = 194,698.60 : x
  2. Step 2: Convert to fraction form
    404,650.60/606,975.90 = 194,698.60/x
  3. Step 3: Cross multiply
    404,650.60x = 606,975.90 × 194,698.60
  4. Step 4: Simplify right side
    404,650.60x = 118,177,357,963.74
  5. Step 5: Solve for x
    x = 118,177,357,963.74/404,650.60
  6. Step 6: Final answer
    x = 292,047.90

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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.