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Finding the Fourth Proportional to 400,158.40, 552,266.24 and 230,425.60

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Solution

The fourth proportional to 400,158.40, 552,266.24 and 230,425.60 is: 318,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,158.40 : 552,266.24 = 230,425.60 : x
  2. Step 2: Convert to fraction form
    400,158.40/552,266.24 = 230,425.60/x
  3. Step 3: Cross multiply
    400,158.40x = 552,266.24 × 230,425.60
  4. Step 4: Simplify right side
    400,158.40x = 127,256,279,711.74
  5. Step 5: Solve for x
    x = 127,256,279,711.74/400,158.40
  6. Step 6: Final answer
    x = 318,014.77

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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.