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Finding the Fourth Proportional to 533,055.20, 735,107.27 and 349,019.15

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Solution

The fourth proportional to 533,055.20, 735,107.27 and 349,019.15 is: 481,313.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,055.20 : 735,107.27 = 349,019.15 : x
  2. Step 2: Convert to fraction form
    533,055.20/735,107.27 = 349,019.15/x
  3. Step 3: Cross multiply
    533,055.20x = 735,107.27 × 349,019.15
  4. Step 4: Simplify right side
    533,055.20x = 256,566,509,113.59
  5. Step 5: Solve for x
    x = 256,566,509,113.59/533,055.20
  6. Step 6: Final answer
    x = 481,313.21

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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.