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Finding the Fourth Proportional to 468,738.74, 646,872.70 and 264,798.26

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Solution

The fourth proportional to 468,738.74, 646,872.70 and 264,798.26 is: 365,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,738.74 : 646,872.70 = 264,798.26 : x
  2. Step 2: Convert to fraction form
    468,738.74/646,872.70 = 264,798.26/x
  3. Step 3: Cross multiply
    468,738.74x = 646,872.70 × 264,798.26
  4. Step 4: Simplify right side
    468,738.74x = 171,290,765,401.50
  5. Step 5: Solve for x
    x = 171,290,765,401.50/468,738.74
  6. Step 6: Final answer
    x = 365,429.08

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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.