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Finding the Fourth Proportional to 357,025.44, 535,522.44 and 120,367.20

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Solution

The fourth proportional to 357,025.44, 535,522.44 and 120,367.20 is: 180,545.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,025.44 : 535,522.44 = 120,367.20 : x
  2. Step 2: Convert to fraction form
    357,025.44/535,522.44 = 120,367.20/x
  3. Step 3: Cross multiply
    357,025.44x = 535,522.44 × 120,367.20
  4. Step 4: Simplify right side
    357,025.44x = 64,459,336,639.97
  5. Step 5: Solve for x
    x = 64,459,336,639.97/357,025.44
  6. Step 6: Final answer
    x = 180,545.50

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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.