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Finding the Fourth Proportional to 519,079.60, 716,194.32 and 304,104.16

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Solution

The fourth proportional to 519,079.60, 716,194.32 and 304,104.16 is: 419,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,079.60 : 716,194.32 = 304,104.16 : x
  2. Step 2: Convert to fraction form
    519,079.60/716,194.32 = 304,104.16/x
  3. Step 3: Cross multiply
    519,079.60x = 716,194.32 × 304,104.16
  4. Step 4: Simplify right side
    519,079.60x = 217,797,672,080.37
  5. Step 5: Solve for x
    x = 217,797,672,080.37/519,079.60
  6. Step 6: Final answer
    x = 419,584.34

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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.