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Finding the Fourth Proportional to 455,957.19, 629,253.49 and 252,003.73

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Solution

The fourth proportional to 455,957.19, 629,253.49 and 252,003.73 is: 347,783.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,957.19 : 629,253.49 = 252,003.73 : x
  2. Step 2: Convert to fraction form
    455,957.19/629,253.49 = 252,003.73/x
  3. Step 3: Cross multiply
    455,957.19x = 629,253.49 × 252,003.73
  4. Step 4: Simplify right side
    455,957.19x = 158,574,226,595.52
  5. Step 5: Solve for x
    x = 158,574,226,595.52/455,957.19
  6. Step 6: Final answer
    x = 347,783.15

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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.