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Finding the Fourth Proportional to 264,445.37, 364,966.88 and 155,544.51

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Solution

The fourth proportional to 264,445.37, 364,966.88 and 155,544.51 is: 214,670.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,445.37 : 364,966.88 = 155,544.51 : x
  2. Step 2: Convert to fraction form
    264,445.37/364,966.88 = 155,544.51/x
  3. Step 3: Cross multiply
    264,445.37x = 364,966.88 × 155,544.51
  4. Step 4: Simplify right side
    264,445.37x = 56,768,593,738.11
  5. Step 5: Solve for x
    x = 56,768,593,738.11/264,445.37
  6. Step 6: Final answer
    x = 214,670.41

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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.