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Finding the Fourth Proportional to 552,250.69, 762,090.72 and 310,527.04

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Solution

The fourth proportional to 552,250.69, 762,090.72 and 310,527.04 is: 428,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,250.69 : 762,090.72 = 310,527.04 : x
  2. Step 2: Convert to fraction form
    552,250.69/762,090.72 = 310,527.04/x
  3. Step 3: Cross multiply
    552,250.69x = 762,090.72 × 310,527.04
  4. Step 4: Simplify right side
    552,250.69x = 236,649,775,493.07
  5. Step 5: Solve for x
    x = 236,649,775,493.07/552,250.69
  6. Step 6: Final answer
    x = 428,518.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.