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Finding the Fourth Proportional to 369,649.98, 554,786.01 and 346,321.98

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Solution

The fourth proportional to 369,649.98, 554,786.01 and 346,321.98 is: 519,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,649.98 : 554,786.01 = 346,321.98 : x
  2. Step 2: Convert to fraction form
    369,649.98/554,786.01 = 346,321.98/x
  3. Step 3: Cross multiply
    369,649.98x = 554,786.01 × 346,321.98
  4. Step 4: Simplify right side
    369,649.98x = 192,134,589,459.50
  5. Step 5: Solve for x
    x = 192,134,589,459.50/369,649.98
  6. Step 6: Final answer
    x = 519,774.38

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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.