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Finding the Fourth Proportional to 329,698.61, 455,008.52 and 184,518.94

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Solution

The fourth proportional to 329,698.61, 455,008.52 and 184,518.94 is: 254,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,698.61 : 455,008.52 = 184,518.94 : x
  2. Step 2: Convert to fraction form
    329,698.61/455,008.52 = 184,518.94/x
  3. Step 3: Cross multiply
    329,698.61x = 455,008.52 × 184,518.94
  4. Step 4: Simplify right side
    329,698.61x = 83,957,689,801.37
  5. Step 5: Solve for x
    x = 83,957,689,801.37/329,698.61
  6. Step 6: Final answer
    x = 254,649.81

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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.