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Finding the Fourth Proportional to 384,964, 577,436.28 and 104,473.96

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Solution

The fourth proportional to 384,964, 577,436.28 and 104,473.96 is: 156,708.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,964 : 577,436.28 = 104,473.96 : x
  2. Step 2: Convert to fraction form
    384,964/577,436.28 = 104,473.96/x
  3. Step 3: Cross multiply
    384,964x = 577,436.28 × 104,473.96
  4. Step 4: Simplify right side
    384,964x = 60,327,054,819.27
  5. Step 5: Solve for x
    x = 60,327,054,819.27/384,964
  6. Step 6: Final answer
    x = 156,708.30

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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.