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Finding the Fourth Proportional to 607,418.64, 838,096.20 and 352,618.56

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Solution

The fourth proportional to 607,418.64, 838,096.20 and 352,618.56 is: 486,531.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,418.64 : 838,096.20 = 352,618.56 : x
  2. Step 2: Convert to fraction form
    607,418.64/838,096.20 = 352,618.56/x
  3. Step 3: Cross multiply
    607,418.64x = 838,096.20 × 352,618.56
  4. Step 4: Simplify right side
    607,418.64x = 295,528,275,185.47
  5. Step 5: Solve for x
    x = 295,528,275,185.47/607,418.64
  6. Step 6: Final answer
    x = 486,531.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.