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Finding the Fourth Proportional to 357,183.64, 535,402.84 and 120,444.92

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Solution

The fourth proportional to 357,183.64, 535,402.84 and 120,444.92 is: 180,541.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,183.64 : 535,402.84 = 120,444.92 : x
  2. Step 2: Convert to fraction form
    357,183.64/535,402.84 = 120,444.92/x
  3. Step 3: Cross multiply
    357,183.64x = 535,402.84 × 120,444.92
  4. Step 4: Simplify right side
    357,183.64x = 64,486,552,231.57
  5. Step 5: Solve for x
    x = 64,486,552,231.57/357,183.64
  6. Step 6: Final answer
    x = 180,541.73

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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.