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Finding the Fourth Proportional to 606,927.60, 911,140.20 and 382,287.60

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Solution

The fourth proportional to 606,927.60, 911,140.20 and 382,287.60 is: 573,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,927.60 : 911,140.20 = 382,287.60 : x
  2. Step 2: Convert to fraction form
    606,927.60/911,140.20 = 382,287.60/x
  3. Step 3: Cross multiply
    606,927.60x = 911,140.20 × 382,287.60
  4. Step 4: Simplify right side
    606,927.60x = 348,317,600,321.52
  5. Step 5: Solve for x
    x = 348,317,600,321.52/606,927.60
  6. Step 6: Final answer
    x = 573,903.05

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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.