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Finding the Fourth Proportional to 998,561.60, 1,497,842.40 and 333,713.60

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Solution

The fourth proportional to 998,561.60, 1,497,842.40 and 333,713.60 is: 500,570.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,561.60 : 1,497,842.40 = 333,713.60 : x
  2. Step 2: Convert to fraction form
    998,561.60/1,497,842.40 = 333,713.60/x
  3. Step 3: Cross multiply
    998,561.60x = 1,497,842.40 × 333,713.60
  4. Step 4: Simplify right side
    998,561.60x = 499,850,379,536.64
  5. Step 5: Solve for x
    x = 499,850,379,536.64/998,561.60
  6. Step 6: Final answer
    x = 500,570.40

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Double scale
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Similar ratio
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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.