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Finding the Fourth Proportional to 475,322.64, 712,976.31 and 115,496.34

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Solution

The fourth proportional to 475,322.64, 712,976.31 and 115,496.34 is: 173,242.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,322.64 : 712,976.31 = 115,496.34 : x
  2. Step 2: Convert to fraction form
    475,322.64/712,976.31 = 115,496.34/x
  3. Step 3: Cross multiply
    475,322.64x = 712,976.31 × 115,496.34
  4. Step 4: Simplify right side
    475,322.64x = 82,346,154,311.71
  5. Step 5: Solve for x
    x = 82,346,154,311.71/475,322.64
  6. Step 6: Final answer
    x = 173,242.65

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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.