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Finding the Fourth Proportional to 560,636.71, 841,065.84 and 205,653.81

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Solution

The fourth proportional to 560,636.71, 841,065.84 and 205,653.81 is: 308,521.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,636.71 : 841,065.84 = 205,653.81 : x
  2. Step 2: Convert to fraction form
    560,636.71/841,065.84 = 205,653.81/x
  3. Step 3: Cross multiply
    560,636.71x = 841,065.84 × 205,653.81
  4. Step 4: Simplify right side
    560,636.71x = 172,968,394,456.85
  5. Step 5: Solve for x
    x = 172,968,394,456.85/560,636.71
  6. Step 6: Final answer
    x = 308,521.35

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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.