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Finding the Fourth Proportional to 342,023.40, 513,035.10 and 216,052.20

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Solution

The fourth proportional to 342,023.40, 513,035.10 and 216,052.20 is: 324,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,023.40 : 513,035.10 = 216,052.20 : x
  2. Step 2: Convert to fraction form
    342,023.40/513,035.10 = 216,052.20/x
  3. Step 3: Cross multiply
    342,023.40x = 513,035.10 × 216,052.20
  4. Step 4: Simplify right side
    342,023.40x = 110,842,362,032.22
  5. Step 5: Solve for x
    x = 110,842,362,032.22/342,023.40
  6. Step 6: Final answer
    x = 324,078.30

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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.