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Finding the Fourth Proportional to 607,357.84, 838,090.20 and 352,659.28

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Solution

The fourth proportional to 607,357.84, 838,090.20 and 352,659.28 is: 486,632.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,357.84 : 838,090.20 = 352,659.28 : x
  2. Step 2: Convert to fraction form
    607,357.84/838,090.20 = 352,659.28/x
  3. Step 3: Cross multiply
    607,357.84x = 838,090.20 × 352,659.28
  4. Step 4: Simplify right side
    607,357.84x = 295,560,286,507.06
  5. Step 5: Solve for x
    x = 295,560,286,507.06/607,357.84
  6. Step 6: Final answer
    x = 486,632.87

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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.