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Finding the Fourth Proportional to 400,325.04, 552,443.82 and 219,034.86

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Solution

The fourth proportional to 400,325.04, 552,443.82 and 219,034.86 is: 302,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,325.04 : 552,443.82 = 219,034.86 : x
  2. Step 2: Convert to fraction form
    400,325.04/552,443.82 = 219,034.86/x
  3. Step 3: Cross multiply
    400,325.04x = 552,443.82 × 219,034.86
  4. Step 4: Simplify right side
    400,325.04x = 121,004,454,771.57
  5. Step 5: Solve for x
    x = 121,004,454,771.57/400,325.04
  6. Step 6: Final answer
    x = 302,265.52

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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.