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Finding the Fourth Proportional to 349,571.58, 482,412.15 and 198,669.66

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Solution

The fourth proportional to 349,571.58, 482,412.15 and 198,669.66 is: 274,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,571.58 : 482,412.15 = 198,669.66 : x
  2. Step 2: Convert to fraction form
    349,571.58/482,412.15 = 198,669.66/x
  3. Step 3: Cross multiply
    349,571.58x = 482,412.15 × 198,669.66
  4. Step 4: Simplify right side
    349,571.58x = 95,840,657,820.37
  5. Step 5: Solve for x
    x = 95,840,657,820.37/349,571.58
  6. Step 6: Final answer
    x = 274,166.05

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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.