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Finding the Fourth Proportional to 404,869.68, 607,116.60 and 236,439.90

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Solution

The fourth proportional to 404,869.68, 607,116.60 and 236,439.90 is: 354,550.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,869.68 : 607,116.60 = 236,439.90 : x
  2. Step 2: Convert to fraction form
    404,869.68/607,116.60 = 236,439.90/x
  3. Step 3: Cross multiply
    404,869.68x = 607,116.60 × 236,439.90
  4. Step 4: Simplify right side
    404,869.68x = 143,546,588,192.34
  5. Step 5: Solve for x
    x = 143,546,588,192.34/404,869.68
  6. Step 6: Final answer
    x = 354,550.11

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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.