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Finding the Fourth Proportional to 404,328.40, 605,326.20 and 246,864.40

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Solution

The fourth proportional to 404,328.40, 605,326.20 and 246,864.40 is: 369,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,328.40 : 605,326.20 = 246,864.40 : x
  2. Step 2: Convert to fraction form
    404,328.40/605,326.20 = 246,864.40/x
  3. Step 3: Cross multiply
    404,328.40x = 605,326.20 × 246,864.40
  4. Step 4: Simplify right side
    404,328.40x = 149,433,489,167.28
  5. Step 5: Solve for x
    x = 149,433,489,167.28/404,328.40
  6. Step 6: Final answer
    x = 369,584.45

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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.