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Finding the Fourth Proportional to 350,410.60, 483,616.74 and 199,521.64

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Solution

The fourth proportional to 350,410.60, 483,616.74 and 199,521.64 is: 275,368.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,410.60 : 483,616.74 = 199,521.64 : x
  2. Step 2: Convert to fraction form
    350,410.60/483,616.74 = 199,521.64/x
  3. Step 3: Cross multiply
    350,410.60x = 483,616.74 × 199,521.64
  4. Step 4: Simplify right side
    350,410.60x = 96,492,005,096.25
  5. Step 5: Solve for x
    x = 96,492,005,096.25/350,410.60
  6. Step 6: Final answer
    x = 275,368.40

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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.