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Finding the Fourth Proportional to 467,261.51, 644,820.50 and 252,401.52

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Solution

The fourth proportional to 467,261.51, 644,820.50 and 252,401.52 is: 348,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,261.51 : 644,820.50 = 252,401.52 : x
  2. Step 2: Convert to fraction form
    467,261.51/644,820.50 = 252,401.52/x
  3. Step 3: Cross multiply
    467,261.51x = 644,820.50 × 252,401.52
  4. Step 4: Simplify right side
    467,261.51x = 162,753,674,327.16
  5. Step 5: Solve for x
    x = 162,753,674,327.16/467,261.51
  6. Step 6: Final answer
    x = 348,313.89

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1.5x scale

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.