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Finding the Fourth Proportional to 274,553.60, 411,830.40 and 97,059.20

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Solution

The fourth proportional to 274,553.60, 411,830.40 and 97,059.20 is: 145,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,553.60 : 411,830.40 = 97,059.20 : x
  2. Step 2: Convert to fraction form
    274,553.60/411,830.40 = 97,059.20/x
  3. Step 3: Cross multiply
    274,553.60x = 411,830.40 × 97,059.20
  4. Step 4: Simplify right side
    274,553.60x = 39,971,929,159.68
  5. Step 5: Solve for x
    x = 39,971,929,159.68/274,553.60
  6. Step 6: Final answer
    x = 145,588.80

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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.