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Finding the Fourth Proportional to 531,740.80, 797,841.60 and 251,113.60

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Solution

The fourth proportional to 531,740.80, 797,841.60 and 251,113.60 is: 376,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,740.80 : 797,841.60 = 251,113.60 : x
  2. Step 2: Convert to fraction form
    531,740.80/797,841.60 = 251,113.60/x
  3. Step 3: Cross multiply
    531,740.80x = 797,841.60 × 251,113.60
  4. Step 4: Simplify right side
    531,740.80x = 200,348,876,405.76
  5. Step 5: Solve for x
    x = 200,348,876,405.76/531,740.80
  6. Step 6: Final answer
    x = 376,779.21

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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.