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Finding the Fourth Proportional to 459,178.34, 633,629.66 and 255,213.25

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Solution

The fourth proportional to 459,178.34, 633,629.66 and 255,213.25 is: 352,174.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,178.34 : 633,629.66 = 255,213.25 : x
  2. Step 2: Convert to fraction form
    459,178.34/633,629.66 = 255,213.25/x
  3. Step 3: Cross multiply
    459,178.34x = 633,629.66 × 255,213.25
  4. Step 4: Simplify right side
    459,178.34x = 161,710,681,964.86
  5. Step 5: Solve for x
    x = 161,710,681,964.86/459,178.34
  6. Step 6: Final answer
    x = 352,174.02

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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.