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Finding the Fourth Proportional to 610,570.04, 915,208.67 and 205,376.52

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Solution

The fourth proportional to 610,570.04, 915,208.67 and 205,376.52 is: 307,847.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,570.04 : 915,208.67 = 205,376.52 : x
  2. Step 2: Convert to fraction form
    610,570.04/915,208.67 = 205,376.52/x
  3. Step 3: Cross multiply
    610,570.04x = 915,208.67 × 205,376.52
  4. Step 4: Simplify right side
    610,570.04x = 187,962,371,718.43
  5. Step 5: Solve for x
    x = 187,962,371,718.43/610,570.04
  6. Step 6: Final answer
    x = 307,847.35

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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.