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Finding the Fourth Proportional to 702,967.35, 1,054,451.03 and 253,757.55

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Solution

The fourth proportional to 702,967.35, 1,054,451.03 and 253,757.55 is: 380,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,967.35 : 1,054,451.03 = 253,757.55 : x
  2. Step 2: Convert to fraction form
    702,967.35/1,054,451.03 = 253,757.55/x
  3. Step 3: Cross multiply
    702,967.35x = 1,054,451.03 × 253,757.55
  4. Step 4: Simplify right side
    702,967.35x = 267,574,908,698.99
  5. Step 5: Solve for x
    x = 267,574,908,698.99/702,967.35
  6. Step 6: Final answer
    x = 380,636.33

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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.