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Finding the Fourth Proportional to 573,020.33, 790,782.21 and 314,895.33

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Solution

The fourth proportional to 573,020.33, 790,782.21 and 314,895.33 is: 434,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,020.33 : 790,782.21 = 314,895.33 : x
  2. Step 2: Convert to fraction form
    573,020.33/790,782.21 = 314,895.33/x
  3. Step 3: Cross multiply
    573,020.33x = 790,782.21 × 314,895.33
  4. Step 4: Simplify right side
    573,020.33x = 249,013,624,976.08
  5. Step 5: Solve for x
    x = 249,013,624,976.08/573,020.33
  6. Step 6: Final answer
    x = 434,563.34

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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.