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Finding the Fourth Proportional to 563,089.94, 777,063.43 and 304,966.73

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Solution

The fourth proportional to 563,089.94, 777,063.43 and 304,966.73 is: 420,853.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,089.94 : 777,063.43 = 304,966.73 : x
  2. Step 2: Convert to fraction form
    563,089.94/777,063.43 = 304,966.73/x
  3. Step 3: Cross multiply
    563,089.94x = 777,063.43 × 304,966.73
  4. Step 4: Simplify right side
    563,089.94x = 236,978,495,573.55
  5. Step 5: Solve for x
    x = 236,978,495,573.55/563,089.94
  6. Step 6: Final answer
    x = 420,853.72

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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.