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Finding the Fourth Proportional to 336,490.76, 464,345.91 and 200,454.25

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Solution

The fourth proportional to 336,490.76, 464,345.91 and 200,454.25 is: 276,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,490.76 : 464,345.91 = 200,454.25 : x
  2. Step 2: Convert to fraction form
    336,490.76/464,345.91 = 200,454.25/x
  3. Step 3: Cross multiply
    336,490.76x = 464,345.91 × 200,454.25
  4. Step 4: Simplify right side
    336,490.76x = 93,080,109,968.75
  5. Step 5: Solve for x
    x = 93,080,109,968.75/336,490.76
  6. Step 6: Final answer
    x = 276,620.11

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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.