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Finding the Fourth Proportional to 316,096.27, 436,220.44 and 180,127.31

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Solution

The fourth proportional to 316,096.27, 436,220.44 and 180,127.31 is: 248,580.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,096.27 : 436,220.44 = 180,127.31 : x
  2. Step 2: Convert to fraction form
    316,096.27/436,220.44 = 180,127.31/x
  3. Step 3: Cross multiply
    316,096.27x = 436,220.44 × 180,127.31
  4. Step 4: Simplify right side
    316,096.27x = 78,575,211,792.80
  5. Step 5: Solve for x
    x = 78,575,211,792.80/316,096.27
  6. Step 6: Final answer
    x = 248,580.01

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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.