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Finding the Fourth Proportional to 529,862.48, 731,195.88 and 300,461.84

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Solution

The fourth proportional to 529,862.48, 731,195.88 and 300,461.84 is: 414,629.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,862.48 : 731,195.88 = 300,461.84 : x
  2. Step 2: Convert to fraction form
    529,862.48/731,195.88 = 300,461.84/x
  3. Step 3: Cross multiply
    529,862.48x = 731,195.88 × 300,461.84
  4. Step 4: Simplify right side
    529,862.48x = 219,696,459,505.22
  5. Step 5: Solve for x
    x = 219,696,459,505.22/529,862.48
  6. Step 6: Final answer
    x = 414,629.21

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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.