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Finding the Fourth Proportional to 535,506.14, 803,245.98 and 130,701.24

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Solution

The fourth proportional to 535,506.14, 803,245.98 and 130,701.24 is: 196,048.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,506.14 : 803,245.98 = 130,701.24 : x
  2. Step 2: Convert to fraction form
    535,506.14/803,245.98 = 130,701.24/x
  3. Step 3: Cross multiply
    535,506.14x = 803,245.98 × 130,701.24
  4. Step 4: Simplify right side
    535,506.14x = 104,985,245,611.02
  5. Step 5: Solve for x
    x = 104,985,245,611.02/535,506.14
  6. Step 6: Final answer
    x = 196,048.63

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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.