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Finding the Fourth Proportional to 535,010.74, 802,621.01 and 198,053.98

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Solution

The fourth proportional to 535,010.74, 802,621.01 and 198,053.98 is: 297,119.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,010.74 : 802,621.01 = 198,053.98 : x
  2. Step 2: Convert to fraction form
    535,010.74/802,621.01 = 198,053.98/x
  3. Step 3: Cross multiply
    535,010.74x = 802,621.01 × 198,053.98
  4. Step 4: Simplify right side
    535,010.74x = 158,962,285,462.12
  5. Step 5: Solve for x
    x = 158,962,285,462.12/535,010.74
  6. Step 6: Final answer
    x = 297,119.80

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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.