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Finding the Fourth Proportional to 404,483.48, 606,466.02 and 167,989.40

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Solution

The fourth proportional to 404,483.48, 606,466.02 and 167,989.40 is: 251,876.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,483.48 : 606,466.02 = 167,989.40 : x
  2. Step 2: Convert to fraction form
    404,483.48/606,466.02 = 167,989.40/x
  3. Step 3: Cross multiply
    404,483.48x = 606,466.02 × 167,989.40
  4. Step 4: Simplify right side
    404,483.48x = 101,879,862,820.19
  5. Step 5: Solve for x
    x = 101,879,862,820.19/404,483.48
  6. Step 6: Final answer
    x = 251,876.45

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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.