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Finding the Fourth Proportional to 348,612.92, 481,191 and 301,373.72

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Solution

The fourth proportional to 348,612.92, 481,191 and 301,373.72 is: 415,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,612.92 : 481,191 = 301,373.72 : x
  2. Step 2: Convert to fraction form
    348,612.92/481,191 = 301,373.72/x
  3. Step 3: Cross multiply
    348,612.92x = 481,191 × 301,373.72
  4. Step 4: Simplify right side
    348,612.92x = 145,018,321,700.52
  5. Step 5: Solve for x
    x = 145,018,321,700.52/348,612.92
  6. Step 6: Final answer
    x = 415,986.65

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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.