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Finding the Fourth Proportional to 544,510.16, 751,442.21 and 299,505.25

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Solution

The fourth proportional to 544,510.16, 751,442.21 and 299,505.25 is: 413,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,510.16 : 751,442.21 = 299,505.25 : x
  2. Step 2: Convert to fraction form
    544,510.16/751,442.21 = 299,505.25/x
  3. Step 3: Cross multiply
    544,510.16x = 751,442.21 × 299,505.25
  4. Step 4: Simplify right side
    544,510.16x = 225,060,891,329.67
  5. Step 5: Solve for x
    x = 225,060,891,329.67/544,510.16
  6. Step 6: Final answer
    x = 413,327.26

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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.