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Finding the Fourth Proportional to 410,886.55, 567,079.74 and 236,453.16

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Solution

The fourth proportional to 410,886.55, 567,079.74 and 236,453.16 is: 326,337.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,886.55 : 567,079.74 = 236,453.16 : x
  2. Step 2: Convert to fraction form
    410,886.55/567,079.74 = 236,453.16/x
  3. Step 3: Cross multiply
    410,886.55x = 567,079.74 × 236,453.16
  4. Step 4: Simplify right side
    410,886.55x = 134,087,796,494.98
  5. Step 5: Solve for x
    x = 134,087,796,494.98/410,886.55
  6. Step 6: Final answer
    x = 326,337.76

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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.