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Finding the Fourth Proportional to 531,389.02, 797,238.82 and 171,551.43

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Solution

The fourth proportional to 531,389.02, 797,238.82 and 171,551.43 is: 257,377.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,389.02 : 797,238.82 = 171,551.43 : x
  2. Step 2: Convert to fraction form
    531,389.02/797,238.82 = 171,551.43/x
  3. Step 3: Cross multiply
    531,389.02x = 797,238.82 × 171,551.43
  4. Step 4: Simplify right side
    531,389.02x = 136,767,459,622.51
  5. Step 5: Solve for x
    x = 136,767,459,622.51/531,389.02
  6. Step 6: Final answer
    x = 257,377.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.