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Finding the Fourth Proportional to 314,873.70, 441,756.30 and 314,873.70

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Solution

The fourth proportional to 314,873.70, 441,756.30 and 314,873.70 is: 441,756.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,873.70 : 441,756.30 = 314,873.70 : x
  2. Step 2: Convert to fraction form
    314,873.70/441,756.30 = 314,873.70/x
  3. Step 3: Cross multiply
    314,873.70x = 441,756.30 × 314,873.70
  4. Step 4: Simplify right side
    314,873.70x = 139,097,440,679.31
  5. Step 5: Solve for x
    x = 139,097,440,679.31/314,873.70
  6. Step 6: Final answer
    x = 441,756.30

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.