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Finding the Fourth Proportional to 519,182.16, 716,478.14 and 301,441.88

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Solution

The fourth proportional to 519,182.16, 716,478.14 and 301,441.88 is: 415,993.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,182.16 : 716,478.14 = 301,441.88 : x
  2. Step 2: Convert to fraction form
    519,182.16/716,478.14 = 301,441.88/x
  3. Step 3: Cross multiply
    519,182.16x = 716,478.14 × 301,441.88
  4. Step 4: Simplify right side
    519,182.16x = 215,976,517,500.50
  5. Step 5: Solve for x
    x = 215,976,517,500.50/519,182.16
  6. Step 6: Final answer
    x = 415,993.72

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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.