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Finding the Fourth Proportional to 452,739, 624,799.26 and 251,535

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Solution

The fourth proportional to 452,739, 624,799.26 and 251,535 is: 347,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,739 : 624,799.26 = 251,535 : x
  2. Step 2: Convert to fraction form
    452,739/624,799.26 = 251,535/x
  3. Step 3: Cross multiply
    452,739x = 624,799.26 × 251,535
  4. Step 4: Simplify right side
    452,739x = 157,158,881,864.10
  5. Step 5: Solve for x
    x = 157,158,881,864.10/452,739
  6. Step 6: Final answer
    x = 347,129.10

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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.