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Finding the Fourth Proportional to 439,843.60, 659,477.40 and 173,443.60

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Solution

The fourth proportional to 439,843.60, 659,477.40 and 173,443.60 is: 260,051.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,843.60 : 659,477.40 = 173,443.60 : x
  2. Step 2: Convert to fraction form
    439,843.60/659,477.40 = 173,443.60/x
  3. Step 3: Cross multiply
    439,843.60x = 659,477.40 × 173,443.60
  4. Step 4: Simplify right side
    439,843.60x = 114,382,134,374.64
  5. Step 5: Solve for x
    x = 114,382,134,374.64/439,843.60
  6. Step 6: Final answer
    x = 260,051.83

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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.