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Finding the Fourth Proportional to 529,052.40, 793,578.60 and 361,090.80

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Solution

The fourth proportional to 529,052.40, 793,578.60 and 361,090.80 is: 541,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,052.40 : 793,578.60 = 361,090.80 : x
  2. Step 2: Convert to fraction form
    529,052.40/793,578.60 = 361,090.80/x
  3. Step 3: Cross multiply
    529,052.40x = 793,578.60 × 361,090.80
  4. Step 4: Simplify right side
    529,052.40x = 286,553,931,536.88
  5. Step 5: Solve for x
    x = 286,553,931,536.88/529,052.40
  6. Step 6: Final answer
    x = 541,636.20

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Similar ratio
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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.