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Finding the Fourth Proportional to 329,831.93, 455,129.64 and 184,645.64

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Solution

The fourth proportional to 329,831.93, 455,129.64 and 184,645.64 is: 254,789.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,831.93 : 455,129.64 = 184,645.64 : x
  2. Step 2: Convert to fraction form
    329,831.93/455,129.64 = 184,645.64/x
  3. Step 3: Cross multiply
    329,831.93x = 455,129.64 × 184,645.64
  4. Step 4: Simplify right side
    329,831.93x = 84,037,704,798.59
  5. Step 5: Solve for x
    x = 84,037,704,798.59/329,831.93
  6. Step 6: Final answer
    x = 254,789.47

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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.