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Finding the Fourth Proportional to 529,812.60, 794,427.30 and 174,643.80

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Solution

The fourth proportional to 529,812.60, 794,427.30 and 174,643.80 is: 261,869.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,812.60 : 794,427.30 = 174,643.80 : x
  2. Step 2: Convert to fraction form
    529,812.60/794,427.30 = 174,643.80/x
  3. Step 3: Cross multiply
    529,812.60x = 794,427.30 × 174,643.80
  4. Step 4: Simplify right side
    529,812.60x = 138,741,802,495.74
  5. Step 5: Solve for x
    x = 138,741,802,495.74/529,812.60
  6. Step 6: Final answer
    x = 261,869.58

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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.