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Finding the Fourth Proportional to 548,751.36, 757,233.72 and 307,014.96

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Solution

The fourth proportional to 548,751.36, 757,233.72 and 307,014.96 is: 423,656.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,751.36 : 757,233.72 = 307,014.96 : x
  2. Step 2: Convert to fraction form
    548,751.36/757,233.72 = 307,014.96/x
  3. Step 3: Cross multiply
    548,751.36x = 757,233.72 × 307,014.96
  4. Step 4: Simplify right side
    548,751.36x = 232,482,080,256.45
  5. Step 5: Solve for x
    x = 232,482,080,256.45/548,751.36
  6. Step 6: Final answer
    x = 423,656.50

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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.