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Finding the Fourth Proportional to 330,765.66, 495,522.44 and 195,424.98

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Solution

The fourth proportional to 330,765.66, 495,522.44 and 195,424.98 is: 292,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,765.66 : 495,522.44 = 195,424.98 : x
  2. Step 2: Convert to fraction form
    330,765.66/495,522.44 = 195,424.98/x
  3. Step 3: Cross multiply
    330,765.66x = 495,522.44 × 195,424.98
  4. Step 4: Simplify right side
    330,765.66x = 96,837,461,949.43
  5. Step 5: Solve for x
    x = 96,837,461,949.43/330,765.66
  6. Step 6: Final answer
    x = 292,767.58

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1.5x scale

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.