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Finding the Fourth Proportional to 468,466.54, 646,484.03 and 253,606.60

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Solution

The fourth proportional to 468,466.54, 646,484.03 and 253,606.60 is: 349,977.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,466.54 : 646,484.03 = 253,606.60 : x
  2. Step 2: Convert to fraction form
    468,466.54/646,484.03 = 253,606.60/x
  3. Step 3: Cross multiply
    468,466.54x = 646,484.03 × 253,606.60
  4. Step 4: Simplify right side
    468,466.54x = 163,952,616,802.60
  5. Step 5: Solve for x
    x = 163,952,616,802.60/468,466.54
  6. Step 6: Final answer
    x = 349,977.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.