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Finding the Fourth Proportional to 468,990.36, 703,498.68 and 292,008.60

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Solution

The fourth proportional to 468,990.36, 703,498.68 and 292,008.60 is: 438,021.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,990.36 : 703,498.68 = 292,008.60 : x
  2. Step 2: Convert to fraction form
    468,990.36/703,498.68 = 292,008.60/x
  3. Step 3: Cross multiply
    468,990.36x = 703,498.68 × 292,008.60
  4. Step 4: Simplify right side
    468,990.36x = 205,427,664,648.65
  5. Step 5: Solve for x
    x = 205,427,664,648.65/468,990.36
  6. Step 6: Final answer
    x = 438,021.08

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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.