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Finding the Fourth Proportional to 591,620.40, 887,430.60 and 367,671.60

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Solution

The fourth proportional to 591,620.40, 887,430.60 and 367,671.60 is: 551,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,620.40 : 887,430.60 = 367,671.60 : x
  2. Step 2: Convert to fraction form
    591,620.40/887,430.60 = 367,671.60/x
  3. Step 3: Cross multiply
    591,620.40x = 887,430.60 × 367,671.60
  4. Step 4: Simplify right side
    591,620.40x = 326,283,028,590.96
  5. Step 5: Solve for x
    x = 326,283,028,590.96/591,620.40
  6. Step 6: Final answer
    x = 551,507.40

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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.