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Finding the Fourth Proportional to 319,047.76, 440,303.24 and 183,080.60

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Solution

The fourth proportional to 319,047.76, 440,303.24 and 183,080.60 is: 252,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,047.76 : 440,303.24 = 183,080.60 : x
  2. Step 2: Convert to fraction form
    319,047.76/440,303.24 = 183,080.60/x
  3. Step 3: Cross multiply
    319,047.76x = 440,303.24 × 183,080.60
  4. Step 4: Simplify right side
    319,047.76x = 80,610,983,745.17
  5. Step 5: Solve for x
    x = 80,610,983,745.17/319,047.76
  6. Step 6: Final answer
    x = 252,661.18

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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.