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Finding the Fourth Proportional to 469,414.58, 647,792.29 and 254,554.59

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Solution

The fourth proportional to 469,414.58, 647,792.29 and 254,554.59 is: 351,285.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,414.58 : 647,792.29 = 254,554.59 : x
  2. Step 2: Convert to fraction form
    469,414.58/647,792.29 = 254,554.59/x
  3. Step 3: Cross multiply
    469,414.58x = 647,792.29 × 254,554.59
  4. Step 4: Simplify right side
    469,414.58x = 164,898,499,803.02
  5. Step 5: Solve for x
    x = 164,898,499,803.02/469,414.58
  6. Step 6: Final answer
    x = 351,285.42

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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.