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Finding the Fourth Proportional to 330,317.92, 495,495.72 and 93,642

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Solution

The fourth proportional to 330,317.92, 495,495.72 and 93,642 is: 140,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,317.92 : 495,495.72 = 93,642 : x
  2. Step 2: Convert to fraction form
    330,317.92/495,495.72 = 93,642/x
  3. Step 3: Cross multiply
    330,317.92x = 495,495.72 × 93,642
  4. Step 4: Simplify right side
    330,317.92x = 46,399,210,212.24
  5. Step 5: Solve for x
    x = 46,399,210,212.24/330,317.92
  6. Step 6: Final answer
    x = 140,468.34

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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.