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Finding the Fourth Proportional to 343,771.64, 474,433.44 and 190,824.20

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Solution

The fourth proportional to 343,771.64, 474,433.44 and 190,824.20 is: 263,353.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,771.64 : 474,433.44 = 190,824.20 : x
  2. Step 2: Convert to fraction form
    343,771.64/474,433.44 = 190,824.20/x
  3. Step 3: Cross multiply
    343,771.64x = 474,433.44 × 190,824.20
  4. Step 4: Simplify right side
    343,771.64x = 90,533,381,641.25
  5. Step 5: Solve for x
    x = 90,533,381,641.25/343,771.64
  6. Step 6: Final answer
    x = 263,353.26

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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.