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Finding the Fourth Proportional to 349,164.36, 481,902.96 and 326,370.75

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Solution

The fourth proportional to 349,164.36, 481,902.96 and 326,370.75 is: 450,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,164.36 : 481,902.96 = 326,370.75 : x
  2. Step 2: Convert to fraction form
    349,164.36/481,902.96 = 326,370.75/x
  3. Step 3: Cross multiply
    349,164.36x = 481,902.96 × 326,370.75
  4. Step 4: Simplify right side
    349,164.36x = 157,279,030,482.42
  5. Step 5: Solve for x
    x = 157,279,030,482.42/349,164.36
  6. Step 6: Final answer
    x = 450,444.11

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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.