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Finding the Fourth Proportional to 330,309.09, 495,463.50 and 93,653.82

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Solution

The fourth proportional to 330,309.09, 495,463.50 and 93,653.82 is: 140,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,309.09 : 495,463.50 = 93,653.82 : x
  2. Step 2: Convert to fraction form
    330,309.09/495,463.50 = 93,653.82/x
  3. Step 3: Cross multiply
    330,309.09x = 495,463.50 × 93,653.82
  4. Step 4: Simplify right side
    330,309.09x = 46,402,049,445.57
  5. Step 5: Solve for x
    x = 46,402,049,445.57/330,309.09
  6. Step 6: Final answer
    x = 140,480.69

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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.