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Finding the Fourth Proportional to 720,597.52, 994,287.72 and 452,204.56

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Solution

The fourth proportional to 720,597.52, 994,287.72 and 452,204.56 is: 623,956.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,597.52 : 994,287.72 = 452,204.56 : x
  2. Step 2: Convert to fraction form
    720,597.52/994,287.72 = 452,204.56/x
  3. Step 3: Cross multiply
    720,597.52x = 994,287.72 × 452,204.56
  4. Step 4: Simplify right side
    720,597.52x = 449,621,440,936.00
  5. Step 5: Solve for x
    x = 449,621,440,936.00/720,597.52
  6. Step 6: Final answer
    x = 623,956.41

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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.