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Finding the Fourth Proportional to 277,037.89, 413,553.51 and 243,407.63

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Solution

The fourth proportional to 277,037.89, 413,553.51 and 243,407.63 is: 363,351.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,037.89 : 413,553.51 = 243,407.63 : x
  2. Step 2: Convert to fraction form
    277,037.89/413,553.51 = 243,407.63/x
  3. Step 3: Cross multiply
    277,037.89x = 413,553.51 × 243,407.63
  4. Step 4: Simplify right side
    277,037.89x = 100,662,079,747.28
  5. Step 5: Solve for x
    x = 100,662,079,747.28/277,037.89
  6. Step 6: Final answer
    x = 363,351.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.