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Finding the Fourth Proportional to 361,484.23, 538,994.58 and 351,552.80

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Solution

The fourth proportional to 361,484.23, 538,994.58 and 351,552.80 is: 524,186.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,484.23 : 538,994.58 = 351,552.80 : x
  2. Step 2: Convert to fraction form
    361,484.23/538,994.58 = 351,552.80/x
  3. Step 3: Cross multiply
    361,484.23x = 538,994.58 × 351,552.80
  4. Step 4: Simplify right side
    361,484.23x = 189,485,049,770.53
  5. Step 5: Solve for x
    x = 189,485,049,770.53/361,484.23
  6. Step 6: Final answer
    x = 524,186.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.