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Finding the Fourth Proportional to 400,334.18, 600,501.69 and 163,676.88

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Solution

The fourth proportional to 400,334.18, 600,501.69 and 163,676.88 is: 245,515.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,334.18 : 600,501.69 = 163,676.88 : x
  2. Step 2: Convert to fraction form
    400,334.18/600,501.69 = 163,676.88/x
  3. Step 3: Cross multiply
    400,334.18x = 600,501.69 × 163,676.88
  4. Step 4: Simplify right side
    400,334.18x = 98,288,243,053.93
  5. Step 5: Solve for x
    x = 98,288,243,053.93/400,334.18
  6. Step 6: Final answer
    x = 245,515.49

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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.