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Finding the Fourth Proportional to 653,893.56, 980,813.21 and 227,526.98

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Solution

The fourth proportional to 653,893.56, 980,813.21 and 227,526.98 is: 341,281.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,893.56 : 980,813.21 = 227,526.98 : x
  2. Step 2: Convert to fraction form
    653,893.56/980,813.21 = 227,526.98/x
  3. Step 3: Cross multiply
    653,893.56x = 980,813.21 × 227,526.98
  4. Step 4: Simplify right side
    653,893.56x = 223,161,461,573.71
  5. Step 5: Solve for x
    x = 223,161,461,573.71/653,893.56
  6. Step 6: Final answer
    x = 341,281.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.