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Finding the Fourth Proportional to 467,259.51, 644,817.74 and 252,399.52

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Solution

The fourth proportional to 467,259.51, 644,817.74 and 252,399.52 is: 348,311.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,259.51 : 644,817.74 = 252,399.52 : x
  2. Step 2: Convert to fraction form
    467,259.51/644,817.74 = 252,399.52/x
  3. Step 3: Cross multiply
    467,259.51x = 644,817.74 × 252,399.52
  4. Step 4: Simplify right side
    467,259.51x = 162,751,688,063.49
  5. Step 5: Solve for x
    x = 162,751,688,063.49/467,259.51
  6. Step 6: Final answer
    x = 348,311.13

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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.