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Finding the Fourth Proportional to 347,080.80, 520,232.40 and 197,392.80

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Solution

The fourth proportional to 347,080.80, 520,232.40 and 197,392.80 is: 295,868.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,080.80 : 520,232.40 = 197,392.80 : x
  2. Step 2: Convert to fraction form
    347,080.80/520,232.40 = 197,392.80/x
  3. Step 3: Cross multiply
    347,080.80x = 520,232.40 × 197,392.80
  4. Step 4: Simplify right side
    347,080.80x = 102,690,130,086.72
  5. Step 5: Solve for x
    x = 102,690,130,086.72/347,080.80
  6. Step 6: Final answer
    x = 295,868.08

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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.