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Finding the Fourth Proportional to 400,499.96, 600,888.34 and 250,561.64

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Solution

The fourth proportional to 400,499.96, 600,888.34 and 250,561.64 is: 375,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,499.96 : 600,888.34 = 250,561.64 : x
  2. Step 2: Convert to fraction form
    400,499.96/600,888.34 = 250,561.64/x
  3. Step 3: Cross multiply
    400,499.96x = 600,888.34 × 250,561.64
  4. Step 4: Simplify right side
    400,499.96x = 150,559,567,927.28
  5. Step 5: Solve for x
    x = 150,559,567,927.28/400,499.96
  6. Step 6: Final answer
    x = 375,929.05

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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.