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Finding the Fourth Proportional to 316,832.82, 437,212.57 and 180,861.36

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Solution

The fourth proportional to 316,832.82, 437,212.57 and 180,861.36 is: 249,579.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,832.82 : 437,212.57 = 180,861.36 : x
  2. Step 2: Convert to fraction form
    316,832.82/437,212.57 = 180,861.36/x
  3. Step 3: Cross multiply
    316,832.82x = 437,212.57 × 180,861.36
  4. Step 4: Simplify right side
    316,832.82x = 79,074,860,019.30
  5. Step 5: Solve for x
    x = 79,074,860,019.30/316,832.82
  6. Step 6: Final answer
    x = 249,579.13

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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.