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Finding the Fourth Proportional to 606,948.60, 911,171.70 and 382,308.60

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Solution

The fourth proportional to 606,948.60, 911,171.70 and 382,308.60 is: 573,934.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,948.60 : 911,171.70 = 382,308.60 : x
  2. Step 2: Convert to fraction form
    606,948.60/911,171.70 = 382,308.60/x
  3. Step 3: Cross multiply
    606,948.60x = 911,171.70 × 382,308.60
  4. Step 4: Simplify right side
    606,948.60x = 348,348,776,986.62
  5. Step 5: Solve for x
    x = 348,348,776,986.62/606,948.60
  6. Step 6: Final answer
    x = 573,934.56

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1.5x scale

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.