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Finding the Fourth Proportional to 500,676.55, 751,061.01 and 163,718.94

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Solution

The fourth proportional to 500,676.55, 751,061.01 and 163,718.94 is: 245,593.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,676.55 : 751,061.01 = 163,718.94 : x
  2. Step 2: Convert to fraction form
    500,676.55/751,061.01 = 163,718.94/x
  3. Step 3: Cross multiply
    500,676.55x = 751,061.01 × 163,718.94
  4. Step 4: Simplify right side
    500,676.55x = 122,962,912,432.53
  5. Step 5: Solve for x
    x = 122,962,912,432.53/500,676.55
  6. Step 6: Final answer
    x = 245,593.51

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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.