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Finding the Fourth Proportional to 316,757.06, 437,131.81 and 180,788.34

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Solution

The fourth proportional to 316,757.06, 437,131.81 and 180,788.34 is: 249,491.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,757.06 : 437,131.81 = 180,788.34 : x
  2. Step 2: Convert to fraction form
    316,757.06/437,131.81 = 180,788.34/x
  3. Step 3: Cross multiply
    316,757.06x = 437,131.81 × 180,788.34
  4. Step 4: Simplify right side
    316,757.06x = 79,028,334,291.10
  5. Step 5: Solve for x
    x = 79,028,334,291.10/316,757.06
  6. Step 6: Final answer
    x = 249,491.94

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1.5x scale

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.