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Finding the Fourth Proportional to 377,220.60, 565,814.70 and 127,902.60

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Solution

The fourth proportional to 377,220.60, 565,814.70 and 127,902.60 is: 191,848.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,220.60 : 565,814.70 = 127,902.60 : x
  2. Step 2: Convert to fraction form
    377,220.60/565,814.70 = 127,902.60/x
  3. Step 3: Cross multiply
    377,220.60x = 565,814.70 × 127,902.60
  4. Step 4: Simplify right side
    377,220.60x = 72,369,171,248.22
  5. Step 5: Solve for x
    x = 72,369,171,248.22/377,220.60
  6. Step 6: Final answer
    x = 191,848.41

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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.