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Finding the Fourth Proportional to 437,902.60, 655,817.10 and 296,897.80

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Solution

The fourth proportional to 437,902.60, 655,817.10 and 296,897.80 is: 444,643.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,902.60 : 655,817.10 = 296,897.80 : x
  2. Step 2: Convert to fraction form
    437,902.60/655,817.10 = 296,897.80/x
  3. Step 3: Cross multiply
    437,902.60x = 655,817.10 × 296,897.80
  4. Step 4: Simplify right side
    437,902.60x = 194,710,654,192.38
  5. Step 5: Solve for x
    x = 194,710,654,192.38/437,902.60
  6. Step 6: Final answer
    x = 444,643.75

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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.