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Finding the Fourth Proportional to 310,316.20, 465,474.30 and 110,643.10

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Solution

The fourth proportional to 310,316.20, 465,474.30 and 110,643.10 is: 165,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,316.20 : 465,474.30 = 110,643.10 : x
  2. Step 2: Convert to fraction form
    310,316.20/465,474.30 = 110,643.10/x
  3. Step 3: Cross multiply
    310,316.20x = 465,474.30 × 110,643.10
  4. Step 4: Simplify right side
    310,316.20x = 51,501,519,522.33
  5. Step 5: Solve for x
    x = 51,501,519,522.33/310,316.20
  6. Step 6: Final answer
    x = 165,964.65

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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.