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Finding the Fourth Proportional to 602,145.20, 902,780.40 and 246,976.40

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Solution

The fourth proportional to 602,145.20, 902,780.40 and 246,976.40 is: 370,285.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,145.20 : 902,780.40 = 246,976.40 : x
  2. Step 2: Convert to fraction form
    602,145.20/902,780.40 = 246,976.40/x
  3. Step 3: Cross multiply
    602,145.20x = 902,780.40 × 246,976.40
  4. Step 4: Simplify right side
    602,145.20x = 222,965,453,182.56
  5. Step 5: Solve for x
    x = 222,965,453,182.56/602,145.20
  6. Step 6: Final answer
    x = 370,285.20

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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.