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Finding the Fourth Proportional to 400,157.95, 552,235.66 and 230,446.75

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Solution

The fourth proportional to 400,157.95, 552,235.66 and 230,446.75 is: 318,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,157.95 : 552,235.66 = 230,446.75 : x
  2. Step 2: Convert to fraction form
    400,157.95/552,235.66 = 230,446.75/x
  3. Step 3: Cross multiply
    400,157.95x = 552,235.66 × 230,446.75
  4. Step 4: Simplify right side
    400,157.95x = 127,260,913,081.11
  5. Step 5: Solve for x
    x = 127,260,913,081.11/400,157.95
  6. Step 6: Final answer
    x = 318,026.70

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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.