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Finding the Fourth Proportional to 364,047.64, 546,317.50 and 127,392.37

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Solution

The fourth proportional to 364,047.64, 546,317.50 and 127,392.37 is: 191,174.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,047.64 : 546,317.50 = 127,392.37 : x
  2. Step 2: Convert to fraction form
    364,047.64/546,317.50 = 127,392.37/x
  3. Step 3: Cross multiply
    364,047.64x = 546,317.50 × 127,392.37
  4. Step 4: Simplify right side
    364,047.64x = 69,596,677,728.93
  5. Step 5: Solve for x
    x = 69,596,677,728.93/364,047.64
  6. Step 6: Final answer
    x = 191,174.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.