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Finding the Fourth Proportional to 607,562.30, 911,343.45 and 253,268.30

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Solution

The fourth proportional to 607,562.30, 911,343.45 and 253,268.30 is: 379,902.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,562.30 : 911,343.45 = 253,268.30 : x
  2. Step 2: Convert to fraction form
    607,562.30/911,343.45 = 253,268.30/x
  3. Step 3: Cross multiply
    607,562.30x = 911,343.45 × 253,268.30
  4. Step 4: Simplify right side
    607,562.30x = 230,814,406,297.64
  5. Step 5: Solve for x
    x = 230,814,406,297.64/607,562.30
  6. Step 6: Final answer
    x = 379,902.45

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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.