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Finding the Fourth Proportional to 511,591.04, 706,007.04 and 282,155.30

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Solution

The fourth proportional to 511,591.04, 706,007.04 and 282,155.30 is: 389,380.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,591.04 : 706,007.04 = 282,155.30 : x
  2. Step 2: Convert to fraction form
    511,591.04/706,007.04 = 282,155.30/x
  3. Step 3: Cross multiply
    511,591.04x = 706,007.04 × 282,155.30
  4. Step 4: Simplify right side
    511,591.04x = 199,203,628,173.31
  5. Step 5: Solve for x
    x = 199,203,628,173.31/511,591.04
  6. Step 6: Final answer
    x = 389,380.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.