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Finding the Fourth Proportional to 443,018, 611,377.80 and 241,826.96

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Solution

The fourth proportional to 443,018, 611,377.80 and 241,826.96 is: 333,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,018 : 611,377.80 = 241,826.96 : x
  2. Step 2: Convert to fraction form
    443,018/611,377.80 = 241,826.96/x
  3. Step 3: Cross multiply
    443,018x = 611,377.80 × 241,826.96
  4. Step 4: Simplify right side
    443,018x = 147,847,634,785.49
  5. Step 5: Solve for x
    x = 147,847,634,785.49/443,018
  6. Step 6: Final answer
    x = 333,728.28

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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.