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Finding the Fourth Proportional to 591,999.60, 887,999.40 and 259,575.60

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Solution

The fourth proportional to 591,999.60, 887,999.40 and 259,575.60 is: 389,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,999.60 : 887,999.40 = 259,575.60 : x
  2. Step 2: Convert to fraction form
    591,999.60/887,999.40 = 259,575.60/x
  3. Step 3: Cross multiply
    591,999.60x = 887,999.40 × 259,575.60
  4. Step 4: Simplify right side
    591,999.60x = 230,502,977,054.64
  5. Step 5: Solve for x
    x = 230,502,977,054.64/591,999.60
  6. Step 6: Final answer
    x = 389,363.40

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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.