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Finding the Fourth Proportional to 490,808.98, 736,192.05 and 153,841.94

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Solution

The fourth proportional to 490,808.98, 736,192.05 and 153,841.94 is: 230,756.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,808.98 : 736,192.05 = 153,841.94 : x
  2. Step 2: Convert to fraction form
    490,808.98/736,192.05 = 153,841.94/x
  3. Step 3: Cross multiply
    490,808.98x = 736,192.05 × 153,841.94
  4. Step 4: Simplify right side
    490,808.98x = 113,257,213,184.58
  5. Step 5: Solve for x
    x = 113,257,213,184.58/490,808.98
  6. Step 6: Final answer
    x = 230,756.20

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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.