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Finding the Fourth Proportional to 303,471.19, 455,256.06 and 113,946.49

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Solution

The fourth proportional to 303,471.19, 455,256.06 and 113,946.49 is: 170,938.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,471.19 : 455,256.06 = 113,946.49 : x
  2. Step 2: Convert to fraction form
    303,471.19/455,256.06 = 113,946.49/x
  3. Step 3: Cross multiply
    303,471.19x = 455,256.06 × 113,946.49
  4. Step 4: Simplify right side
    303,471.19x = 51,874,830,088.23
  5. Step 5: Solve for x
    x = 51,874,830,088.23/303,471.19
  6. Step 6: Final answer
    x = 170,938.24

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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.