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Finding the Fourth Proportional to 455,827.94, 629,042.54 and 254,623.94

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Solution

The fourth proportional to 455,827.94, 629,042.54 and 254,623.94 is: 351,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,827.94 : 629,042.54 = 254,623.94 : x
  2. Step 2: Convert to fraction form
    455,827.94/629,042.54 = 254,623.94/x
  3. Step 3: Cross multiply
    455,827.94x = 629,042.54 × 254,623.94
  4. Step 4: Simplify right side
    455,827.94x = 160,169,289,962.41
  5. Step 5: Solve for x
    x = 160,169,289,962.41/455,827.94
  6. Step 6: Final answer
    x = 351,381.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.