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Finding the Fourth Proportional to 601,612.20, 901,980.90 and 246,443.40

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Solution

The fourth proportional to 601,612.20, 901,980.90 and 246,443.40 is: 369,485.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,612.20 : 901,980.90 = 246,443.40 : x
  2. Step 2: Convert to fraction form
    601,612.20/901,980.90 = 246,443.40/x
  3. Step 3: Cross multiply
    601,612.20x = 901,980.90 × 246,443.40
  4. Step 4: Simplify right side
    601,612.20x = 222,287,239,731.06
  5. Step 5: Solve for x
    x = 222,287,239,731.06/601,612.20
  6. Step 6: Final answer
    x = 369,485.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.