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Finding the Fourth Proportional to 607,464.40, 911,196.60 and 324,029.20

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Solution

The fourth proportional to 607,464.40, 911,196.60 and 324,029.20 is: 486,043.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,464.40 : 911,196.60 = 324,029.20 : x
  2. Step 2: Convert to fraction form
    607,464.40/911,196.60 = 324,029.20/x
  3. Step 3: Cross multiply
    607,464.40x = 911,196.60 × 324,029.20
  4. Step 4: Simplify right side
    607,464.40x = 295,254,305,340.72
  5. Step 5: Solve for x
    x = 295,254,305,340.72/607,464.40
  6. Step 6: Final answer
    x = 486,043.80

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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.