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Finding the Fourth Proportional to 693,005, 1,039,507.52 and 167,693

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Solution

The fourth proportional to 693,005, 1,039,507.52 and 167,693 is: 251,539.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,005 : 1,039,507.52 = 167,693 : x
  2. Step 2: Convert to fraction form
    693,005/1,039,507.52 = 167,693/x
  3. Step 3: Cross multiply
    693,005x = 1,039,507.52 × 167,693
  4. Step 4: Simplify right side
    693,005x = 174,318,134,551.36
  5. Step 5: Solve for x
    x = 174,318,134,551.36/693,005
  6. Step 6: Final answer
    x = 251,539.50

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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.