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Finding the Fourth Proportional to 468,466.42, 646,483.86 and 253,606.47

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Solution

The fourth proportional to 468,466.42, 646,483.86 and 253,606.47 is: 349,977.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,466.42 : 646,483.86 = 253,606.47 : x
  2. Step 2: Convert to fraction form
    468,466.42/646,483.86 = 253,606.47/x
  3. Step 3: Cross multiply
    468,466.42x = 646,483.86 × 253,606.47
  4. Step 4: Simplify right side
    468,466.42x = 163,952,489,646.57
  5. Step 5: Solve for x
    x = 163,952,489,646.57/468,466.42
  6. Step 6: Final answer
    x = 349,977.04

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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.