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Finding the Fourth Proportional to 377,212.60, 565,802.70 and 127,894.60

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Solution

The fourth proportional to 377,212.60, 565,802.70 and 127,894.60 is: 191,836.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,212.60 : 565,802.70 = 127,894.60 : x
  2. Step 2: Convert to fraction form
    377,212.60/565,802.70 = 127,894.60/x
  3. Step 3: Cross multiply
    377,212.60x = 565,802.70 × 127,894.60
  4. Step 4: Simplify right side
    377,212.60x = 72,363,109,995.42
  5. Step 5: Solve for x
    x = 72,363,109,995.42/377,212.60
  6. Step 6: Final answer
    x = 191,836.41

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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.