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Finding the Fourth Proportional to 404,808.72, 607,583.52 and 205,266.84

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Solution

The fourth proportional to 404,808.72, 607,583.52 and 205,266.84 is: 308,088.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,808.72 : 607,583.52 = 205,266.84 : x
  2. Step 2: Convert to fraction form
    404,808.72/607,583.52 = 205,266.84/x
  3. Step 3: Cross multiply
    404,808.72x = 607,583.52 × 205,266.84
  4. Step 4: Simplify right side
    404,808.72x = 124,716,749,186.48
  5. Step 5: Solve for x
    x = 124,716,749,186.48/404,808.72
  6. Step 6: Final answer
    x = 308,088.10

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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.