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Finding the Fourth Proportional to 316,695.32, 437,034.36 and 180,771.44

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Solution

The fourth proportional to 316,695.32, 437,034.36 and 180,771.44 is: 249,461.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,695.32 : 437,034.36 = 180,771.44 : x
  2. Step 2: Convert to fraction form
    316,695.32/437,034.36 = 180,771.44/x
  3. Step 3: Cross multiply
    316,695.32x = 437,034.36 × 180,771.44
  4. Step 4: Simplify right side
    316,695.32x = 79,003,330,586.68
  5. Step 5: Solve for x
    x = 79,003,330,586.68/316,695.32
  6. Step 6: Final answer
    x = 249,461.63

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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.