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Finding the Fourth Proportional to 500,654.12, 751,148.84 and 163,710.32

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Solution

The fourth proportional to 500,654.12, 751,148.84 and 163,710.32 is: 245,620.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,654.12 : 751,148.84 = 163,710.32 : x
  2. Step 2: Convert to fraction form
    500,654.12/751,148.84 = 163,710.32/x
  3. Step 3: Cross multiply
    500,654.12x = 751,148.84 × 163,710.32
  4. Step 4: Simplify right side
    500,654.12x = 122,970,813,617.56
  5. Step 5: Solve for x
    x = 122,970,813,617.56/500,654.12
  6. Step 6: Final answer
    x = 245,620.30

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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.