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Finding the Fourth Proportional to 560,411.78, 839,494.71 and 530,976.26

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Solution

The fourth proportional to 560,411.78, 839,494.71 and 530,976.26 is: 795,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,411.78 : 839,494.71 = 530,976.26 : x
  2. Step 2: Convert to fraction form
    560,411.78/839,494.71 = 530,976.26/x
  3. Step 3: Cross multiply
    560,411.78x = 839,494.71 × 530,976.26
  4. Step 4: Simplify right side
    560,411.78x = 445,751,761,405.59
  5. Step 5: Solve for x
    x = 445,751,761,405.59/560,411.78
  6. Step 6: Final answer
    x = 795,400.41

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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.