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Finding the Fourth Proportional to 607,194.40, 911,342.40 and 307,883.20

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Solution

The fourth proportional to 607,194.40, 911,342.40 and 307,883.20 is: 462,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,194.40 : 911,342.40 = 307,883.20 : x
  2. Step 2: Convert to fraction form
    607,194.40/911,342.40 = 307,883.20/x
  3. Step 3: Cross multiply
    607,194.40x = 911,342.40 × 307,883.20
  4. Step 4: Simplify right side
    607,194.40x = 280,587,014,407.68
  5. Step 5: Solve for x
    x = 280,587,014,407.68/607,194.40
  6. Step 6: Final answer
    x = 462,104.09

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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.