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Finding the Fourth Proportional to 404,796.30, 607,194.45 and 326,064.30

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Solution

The fourth proportional to 404,796.30, 607,194.45 and 326,064.30 is: 489,096.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,796.30 : 607,194.45 = 326,064.30 : x
  2. Step 2: Convert to fraction form
    404,796.30/607,194.45 = 326,064.30/x
  3. Step 3: Cross multiply
    404,796.30x = 607,194.45 × 326,064.30
  4. Step 4: Simplify right side
    404,796.30x = 197,984,433,303.14
  5. Step 5: Solve for x
    x = 197,984,433,303.14/404,796.30
  6. Step 6: Final answer
    x = 489,096.45

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Double scale
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Similar ratio
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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.