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Finding the Fourth Proportional to 607,099.38, 838,080.63 and 352,401.54

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Solution

The fourth proportional to 607,099.38, 838,080.63 and 352,401.54 is: 486,478.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,099.38 : 838,080.63 = 352,401.54 : x
  2. Step 2: Convert to fraction form
    607,099.38/838,080.63 = 352,401.54/x
  3. Step 3: Cross multiply
    607,099.38x = 838,080.63 × 352,401.54
  4. Step 4: Simplify right side
    607,099.38x = 295,340,904,656.17
  5. Step 5: Solve for x
    x = 295,340,904,656.17/607,099.38
  6. Step 6: Final answer
    x = 486,478.68

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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.