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Finding the Fourth Proportional to 246,886.20, 370,329.30 and 163,780.20

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Solution

The fourth proportional to 246,886.20, 370,329.30 and 163,780.20 is: 245,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,886.20 : 370,329.30 = 163,780.20 : x
  2. Step 2: Convert to fraction form
    246,886.20/370,329.30 = 163,780.20/x
  3. Step 3: Cross multiply
    246,886.20x = 370,329.30 × 163,780.20
  4. Step 4: Simplify right side
    246,886.20x = 60,652,606,819.86
  5. Step 5: Solve for x
    x = 60,652,606,819.86/246,886.20
  6. Step 6: Final answer
    x = 245,670.30

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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.