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Finding the Fourth Proportional to 468,453.02, 646,464.43 and 253,593.03

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Solution

The fourth proportional to 468,453.02, 646,464.43 and 253,593.03 is: 349,957.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,453.02 : 646,464.43 = 253,593.03 : x
  2. Step 2: Convert to fraction form
    468,453.02/646,464.43 = 253,593.03/x
  3. Step 3: Cross multiply
    468,453.02x = 646,464.43 × 253,593.03
  4. Step 4: Simplify right side
    468,453.02x = 163,938,872,322.96
  5. Step 5: Solve for x
    x = 163,938,872,322.96/468,453.02
  6. Step 6: Final answer
    x = 349,957.98

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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.