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Finding the Fourth Proportional to 655,602.90, 983,552.31 and 200,234.94

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Solution

The fourth proportional to 655,602.90, 983,552.31 and 200,234.94 is: 300,397.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,602.90 : 983,552.31 = 200,234.94 : x
  2. Step 2: Convert to fraction form
    655,602.90/983,552.31 = 200,234.94/x
  3. Step 3: Cross multiply
    655,602.90x = 983,552.31 × 200,234.94
  4. Step 4: Simplify right side
    655,602.90x = 196,941,537,779.71
  5. Step 5: Solve for x
    x = 196,941,537,779.71/655,602.90
  6. Step 6: Final answer
    x = 300,397.60

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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.