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Finding the Fourth Proportional to 292,963.20, 439,639.20 and 166,603.20

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Solution

The fourth proportional to 292,963.20, 439,639.20 and 166,603.20 is: 250,015.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,963.20 : 439,639.20 = 166,603.20 : x
  2. Step 2: Convert to fraction form
    292,963.20/439,639.20 = 166,603.20/x
  3. Step 3: Cross multiply
    292,963.20x = 439,639.20 × 166,603.20
  4. Step 4: Simplify right side
    292,963.20x = 73,245,297,565.44
  5. Step 5: Solve for x
    x = 73,245,297,565.44/292,963.20
  6. Step 6: Final answer
    x = 250,015.35

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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.