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Finding the Fourth Proportional to 533,430.40, 798,201.60 and 393,462.40

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Solution

The fourth proportional to 533,430.40, 798,201.60 and 393,462.40 is: 588,759.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,430.40 : 798,201.60 = 393,462.40 : x
  2. Step 2: Convert to fraction form
    533,430.40/798,201.60 = 393,462.40/x
  3. Step 3: Cross multiply
    533,430.40x = 798,201.60 × 393,462.40
  4. Step 4: Simplify right side
    533,430.40x = 314,062,317,219.84
  5. Step 5: Solve for x
    x = 314,062,317,219.84/533,430.40
  6. Step 6: Final answer
    x = 588,759.69

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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.