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Finding the Fourth Proportional to 348,490.85, 481,064.74 and 235,466.69

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Solution

The fourth proportional to 348,490.85, 481,064.74 and 235,466.69 is: 325,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,490.85 : 481,064.74 = 235,466.69 : x
  2. Step 2: Convert to fraction form
    348,490.85/481,064.74 = 235,466.69/x
  3. Step 3: Cross multiply
    348,490.85x = 481,064.74 × 235,466.69
  4. Step 4: Simplify right side
    348,490.85x = 113,274,719,009.52
  5. Step 5: Solve for x
    x = 113,274,719,009.52/348,490.85
  6. Step 6: Final answer
    x = 325,043.60

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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.