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Finding the Fourth Proportional to 559,509.46, 839,512.22 and 293,206.66

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Solution

The fourth proportional to 559,509.46, 839,512.22 and 293,206.66 is: 439,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,509.46 : 839,512.22 = 293,206.66 : x
  2. Step 2: Convert to fraction form
    559,509.46/839,512.22 = 293,206.66/x
  3. Step 3: Cross multiply
    559,509.46x = 839,512.22 × 293,206.66
  4. Step 4: Simplify right side
    559,509.46x = 246,150,574,055.39
  5. Step 5: Solve for x
    x = 246,150,574,055.39/559,509.46
  6. Step 6: Final answer
    x = 439,939.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.