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Finding the Fourth Proportional to 404,902.10, 607,612.35 and 236,422.10

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Solution

The fourth proportional to 404,902.10, 607,612.35 and 236,422.10 is: 354,784.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,902.10 : 607,612.35 = 236,422.10 : x
  2. Step 2: Convert to fraction form
    404,902.10/607,612.35 = 236,422.10/x
  3. Step 3: Cross multiply
    404,902.10x = 607,612.35 × 236,422.10
  4. Step 4: Simplify right side
    404,902.10x = 143,652,987,772.94
  5. Step 5: Solve for x
    x = 143,652,987,772.94/404,902.10
  6. Step 6: Final answer
    x = 354,784.50

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Double scale
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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.