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Finding the Fourth Proportional to 246,145.60, 369,218.40 and 206,779.60

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Solution

The fourth proportional to 246,145.60, 369,218.40 and 206,779.60 is: 310,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,145.60 : 369,218.40 = 206,779.60 : x
  2. Step 2: Convert to fraction form
    246,145.60/369,218.40 = 206,779.60/x
  3. Step 3: Cross multiply
    246,145.60x = 369,218.40 × 206,779.60
  4. Step 4: Simplify right side
    246,145.60x = 76,346,833,064.64
  5. Step 5: Solve for x
    x = 76,346,833,064.64/246,145.60
  6. Step 6: Final answer
    x = 310,169.40

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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.