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Finding the Fourth Proportional to 316,573.92, 436,871.88 and 173,333.88

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Solution

The fourth proportional to 316,573.92, 436,871.88 and 173,333.88 is: 239,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,573.92 : 436,871.88 = 173,333.88 : x
  2. Step 2: Convert to fraction form
    316,573.92/436,871.88 = 173,333.88/x
  3. Step 3: Cross multiply
    316,573.92x = 436,871.88 × 173,333.88
  4. Step 4: Simplify right side
    316,573.92x = 75,724,698,023.29
  5. Step 5: Solve for x
    x = 75,724,698,023.29/316,573.92
  6. Step 6: Final answer
    x = 239,200.68

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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.