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Finding the Fourth Proportional to 479,697.58, 719,393.28 and 195,387.58

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Solution

The fourth proportional to 479,697.58, 719,393.28 and 195,387.58 is: 293,019.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,697.58 : 719,393.28 = 195,387.58 : x
  2. Step 2: Convert to fraction form
    479,697.58/719,393.28 = 195,387.58/x
  3. Step 3: Cross multiply
    479,697.58x = 719,393.28 × 195,387.58
  4. Step 4: Simplify right side
    479,697.58x = 140,560,512,047.46
  5. Step 5: Solve for x
    x = 140,560,512,047.46/479,697.58
  6. Step 6: Final answer
    x = 293,019.01

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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.