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Finding the Fourth Proportional to 348,526.60, 523,308.30 and 269,729.80

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Solution

The fourth proportional to 348,526.60, 523,308.30 and 269,729.80 is: 404,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,526.60 : 523,308.30 = 269,729.80 : x
  2. Step 2: Convert to fraction form
    348,526.60/523,308.30 = 269,729.80/x
  3. Step 3: Cross multiply
    348,526.60x = 523,308.30 × 269,729.80
  4. Step 4: Simplify right side
    348,526.60x = 141,151,843,097.34
  5. Step 5: Solve for x
    x = 141,151,843,097.34/348,526.60
  6. Step 6: Final answer
    x = 404,995.90

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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.