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Finding the Fourth Proportional to 314,762.76, 434,372.63 and 171,522.77

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Solution

The fourth proportional to 314,762.76, 434,372.63 and 171,522.77 is: 236,701.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,762.76 : 434,372.63 = 171,522.77 : x
  2. Step 2: Convert to fraction form
    314,762.76/434,372.63 = 171,522.77/x
  3. Step 3: Cross multiply
    314,762.76x = 434,372.63 × 171,522.77
  4. Step 4: Simplify right side
    314,762.76x = 74,504,793,680.31
  5. Step 5: Solve for x
    x = 74,504,793,680.31/314,762.76
  6. Step 6: Final answer
    x = 236,701.42

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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.