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Finding the Fourth Proportional to 551,903.74, 761,634.02 and 334,109.52

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Solution

The fourth proportional to 551,903.74, 761,634.02 and 334,109.52 is: 461,075.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,903.74 : 761,634.02 = 334,109.52 : x
  2. Step 2: Convert to fraction form
    551,903.74/761,634.02 = 334,109.52/x
  3. Step 3: Cross multiply
    551,903.74x = 761,634.02 × 334,109.52
  4. Step 4: Simplify right side
    551,903.74x = 254,469,177,673.14
  5. Step 5: Solve for x
    x = 254,469,177,673.14/551,903.74
  6. Step 6: Final answer
    x = 461,075.29

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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.