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Finding the Fourth Proportional to 508,043.26, 701,416.56 and 327,068.74

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Solution

The fourth proportional to 508,043.26, 701,416.56 and 327,068.74 is: 451,558.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,043.26 : 701,416.56 = 327,068.74 : x
  2. Step 2: Convert to fraction form
    508,043.26/701,416.56 = 327,068.74/x
  3. Step 3: Cross multiply
    508,043.26x = 701,416.56 × 327,068.74
  4. Step 4: Simplify right side
    508,043.26x = 229,411,430,494.33
  5. Step 5: Solve for x
    x = 229,411,430,494.33/508,043.26
  6. Step 6: Final answer
    x = 451,558.85

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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.