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Finding the Fourth Proportional to 602,022.62, 830,103.98 and 481,080.98

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Solution

The fourth proportional to 602,022.62, 830,103.98 and 481,080.98 is: 663,342.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,022.62 : 830,103.98 = 481,080.98 : x
  2. Step 2: Convert to fraction form
    602,022.62/830,103.98 = 481,080.98/x
  3. Step 3: Cross multiply
    602,022.62x = 830,103.98 × 481,080.98
  4. Step 4: Simplify right side
    602,022.62x = 399,347,236,200.30
  5. Step 5: Solve for x
    x = 399,347,236,200.30/602,022.62
  6. Step 6: Final answer
    x = 663,342.58

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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.