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Finding the Fourth Proportional to 517,709.55, 776,304.47 and 301,638.22

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Solution

The fourth proportional to 517,709.55, 776,304.47 and 301,638.22 is: 452,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,709.55 : 776,304.47 = 301,638.22 : x
  2. Step 2: Convert to fraction form
    517,709.55/776,304.47 = 301,638.22/x
  3. Step 3: Cross multiply
    517,709.55x = 776,304.47 × 301,638.22
  4. Step 4: Simplify right side
    517,709.55x = 234,163,099,992.18
  5. Step 5: Solve for x
    x = 234,163,099,992.18/517,709.55
  6. Step 6: Final answer
    x = 452,305.93

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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.