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Finding the Fourth Proportional to 514,667.44, 772,157.44 and 248,378.32

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Solution

The fourth proportional to 514,667.44, 772,157.44 and 248,378.32 is: 372,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,667.44 : 772,157.44 = 248,378.32 : x
  2. Step 2: Convert to fraction form
    514,667.44/772,157.44 = 248,378.32/x
  3. Step 3: Cross multiply
    514,667.44x = 772,157.44 × 248,378.32
  4. Step 4: Simplify right side
    514,667.44x = 191,787,167,722.70
  5. Step 5: Solve for x
    x = 191,787,167,722.70/514,667.44
  6. Step 6: Final answer
    x = 372,642.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.