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Finding the Fourth Proportional to 330,159.44, 495,479.64 and 119,814.32

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Solution

The fourth proportional to 330,159.44, 495,479.64 and 119,814.32 is: 179,808.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,159.44 : 495,479.64 = 119,814.32 : x
  2. Step 2: Convert to fraction form
    330,159.44/495,479.64 = 119,814.32/x
  3. Step 3: Cross multiply
    330,159.44x = 495,479.64 × 119,814.32
  4. Step 4: Simplify right side
    330,159.44x = 59,365,556,140.44
  5. Step 5: Solve for x
    x = 59,365,556,140.44/330,159.44
  6. Step 6: Final answer
    x = 179,808.75

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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.