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Finding the Fourth Proportional to 610,506.50, 915,761.83 and 255,271.49

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Solution

The fourth proportional to 610,506.50, 915,761.83 and 255,271.49 is: 382,908.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,506.50 : 915,761.83 = 255,271.49 : x
  2. Step 2: Convert to fraction form
    610,506.50/915,761.83 = 255,271.49/x
  3. Step 3: Cross multiply
    610,506.50x = 915,761.83 × 255,271.49
  4. Step 4: Simplify right side
    610,506.50x = 233,767,881,612.24
  5. Step 5: Solve for x
    x = 233,767,881,612.24/610,506.50
  6. Step 6: Final answer
    x = 382,908.09

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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.