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Finding the Fourth Proportional to 541,913.02, 747,840 and 300,211.26

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Solution

The fourth proportional to 541,913.02, 747,840 and 300,211.26 is: 414,291.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,913.02 : 747,840 = 300,211.26 : x
  2. Step 2: Convert to fraction form
    541,913.02/747,840 = 300,211.26/x
  3. Step 3: Cross multiply
    541,913.02x = 747,840 × 300,211.26
  4. Step 4: Simplify right side
    541,913.02x = 224,509,988,678.40
  5. Step 5: Solve for x
    x = 224,509,988,678.40/541,913.02
  6. Step 6: Final answer
    x = 414,291.56

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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.