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Finding the Fourth Proportional to 316,940.16, 437,389.32 and 180,975.27

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Solution

The fourth proportional to 316,940.16, 437,389.32 and 180,975.27 is: 249,752.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,940.16 : 437,389.32 = 180,975.27 : x
  2. Step 2: Convert to fraction form
    316,940.16/437,389.32 = 180,975.27/x
  3. Step 3: Cross multiply
    316,940.16x = 437,389.32 × 180,975.27
  4. Step 4: Simplify right side
    316,940.16x = 79,156,650,282.12
  5. Step 5: Solve for x
    x = 79,156,650,282.12/316,940.16
  6. Step 6: Final answer
    x = 249,752.67

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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.