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Finding the Fourth Proportional to 559,527.78, 839,539.76 and 293,224.98

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Solution

The fourth proportional to 559,527.78, 839,539.76 and 293,224.98 is: 439,967.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,527.78 : 839,539.76 = 293,224.98 : x
  2. Step 2: Convert to fraction form
    559,527.78/839,539.76 = 293,224.98/x
  3. Step 3: Cross multiply
    559,527.78x = 839,539.76 × 293,224.98
  4. Step 4: Simplify right side
    559,527.78x = 246,174,029,335.21
  5. Step 5: Solve for x
    x = 246,174,029,335.21/559,527.78
  6. Step 6: Final answer
    x = 439,967.48

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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.