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Finding the Fourth Proportional to 650,257.83, 896,763.02 and 558,348.39

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Solution

The fourth proportional to 650,257.83, 896,763.02 and 558,348.39 is: 770,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,257.83 : 896,763.02 = 558,348.39 : x
  2. Step 2: Convert to fraction form
    650,257.83/896,763.02 = 558,348.39/x
  3. Step 3: Cross multiply
    650,257.83x = 896,763.02 × 558,348.39
  4. Step 4: Simplify right side
    650,257.83x = 500,706,185,636.80
  5. Step 5: Solve for x
    x = 500,706,185,636.80/650,257.83
  6. Step 6: Final answer
    x = 770,011.77

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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.