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Finding the Fourth Proportional to 560,636.46, 841,065.47 and 205,653.56

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Solution

The fourth proportional to 560,636.46, 841,065.47 and 205,653.56 is: 308,520.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,636.46 : 841,065.47 = 205,653.56 : x
  2. Step 2: Convert to fraction form
    560,636.46/841,065.47 = 205,653.56/x
  3. Step 3: Cross multiply
    560,636.46x = 841,065.47 × 205,653.56
  4. Step 4: Simplify right side
    560,636.46x = 172,968,102,864.98
  5. Step 5: Solve for x
    x = 172,968,102,864.98/560,636.46
  6. Step 6: Final answer
    x = 308,520.97

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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.