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Finding the Fourth Proportional to 303,210.80, 453,941.40 and 185,112.80

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Solution

The fourth proportional to 303,210.80, 453,941.40 and 185,112.80 is: 277,135.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,210.80 : 453,941.40 = 185,112.80 : x
  2. Step 2: Convert to fraction form
    303,210.80/453,941.40 = 185,112.80/x
  3. Step 3: Cross multiply
    303,210.80x = 453,941.40 × 185,112.80
  4. Step 4: Simplify right side
    303,210.80x = 84,030,363,589.92
  5. Step 5: Solve for x
    x = 84,030,363,589.92/303,210.80
  6. Step 6: Final answer
    x = 277,135.13

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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.