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Finding the Fourth Proportional to 295,247.88, 407,459.70 and 223,514.28

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Solution

The fourth proportional to 295,247.88, 407,459.70 and 223,514.28 is: 308,463.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,247.88 : 407,459.70 = 223,514.28 : x
  2. Step 2: Convert to fraction form
    295,247.88/407,459.70 = 223,514.28/x
  3. Step 3: Cross multiply
    295,247.88x = 407,459.70 × 223,514.28
  4. Step 4: Simplify right side
    295,247.88x = 91,073,061,474.52
  5. Step 5: Solve for x
    x = 91,073,061,474.52/295,247.88
  6. Step 6: Final answer
    x = 308,463.05

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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.