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Finding the Fourth Proportional to 377,223.54, 565,820.60 and 127,905.54

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Solution

The fourth proportional to 377,223.54, 565,820.60 and 127,905.54 is: 191,853.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,223.54 : 565,820.60 = 127,905.54 : x
  2. Step 2: Convert to fraction form
    377,223.54/565,820.60 = 127,905.54/x
  3. Step 3: Cross multiply
    377,223.54x = 565,820.60 × 127,905.54
  4. Step 4: Simplify right side
    377,223.54x = 72,371,588,746.60
  5. Step 5: Solve for x
    x = 72,371,588,746.60/377,223.54
  6. Step 6: Final answer
    x = 191,853.32

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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.