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Finding the Fourth Proportional to 452,798.90, 624,837.02 and 271,420.06

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Solution

The fourth proportional to 452,798.90, 624,837.02 and 271,420.06 is: 374,544.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,798.90 : 624,837.02 = 271,420.06 : x
  2. Step 2: Convert to fraction form
    452,798.90/624,837.02 = 271,420.06/x
  3. Step 3: Cross multiply
    452,798.90x = 624,837.02 × 271,420.06
  4. Step 4: Simplify right side
    452,798.90x = 169,593,301,458.62
  5. Step 5: Solve for x
    x = 169,593,301,458.62/452,798.90
  6. Step 6: Final answer
    x = 374,544.42

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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.