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Finding the Fourth Proportional to 559,564.56, 839,594.88 and 293,261.76

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Solution

The fourth proportional to 559,564.56, 839,594.88 and 293,261.76 is: 440,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,564.56 : 839,594.88 = 293,261.76 : x
  2. Step 2: Convert to fraction form
    559,564.56/839,594.88 = 293,261.76/x
  3. Step 3: Cross multiply
    559,564.56x = 839,594.88 × 293,261.76
  4. Step 4: Simplify right side
    559,564.56x = 246,221,072,195.79
  5. Step 5: Solve for x
    x = 246,221,072,195.79/559,564.56
  6. Step 6: Final answer
    x = 440,022.64

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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.