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Finding the Fourth Proportional to 332,145.90, 497,878.65 and 163,406.70

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Solution

The fourth proportional to 332,145.90, 497,878.65 and 163,406.70 is: 244,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,145.90 : 497,878.65 = 163,406.70 : x
  2. Step 2: Convert to fraction form
    332,145.90/497,878.65 = 163,406.70/x
  3. Step 3: Cross multiply
    332,145.90x = 497,878.65 × 163,406.70
  4. Step 4: Simplify right side
    332,145.90x = 81,356,707,196.96
  5. Step 5: Solve for x
    x = 81,356,707,196.96/332,145.90
  6. Step 6: Final answer
    x = 244,942.68

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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.