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Finding the Fourth Proportional to 330,177.42, 495,241.90 and 105,477.52

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Solution

The fourth proportional to 330,177.42, 495,241.90 and 105,477.52 is: 158,208.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,177.42 : 495,241.90 = 105,477.52 : x
  2. Step 2: Convert to fraction form
    330,177.42/495,241.90 = 105,477.52/x
  3. Step 3: Cross multiply
    330,177.42x = 495,241.90 × 105,477.52
  4. Step 4: Simplify right side
    330,177.42x = 52,236,887,412.09
  5. Step 5: Solve for x
    x = 52,236,887,412.09/330,177.42
  6. Step 6: Final answer
    x = 158,208.54

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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.