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Finding the Fourth Proportional to 882,615.60, 1,323,267.30 and 483,706.80

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Solution

The fourth proportional to 882,615.60, 1,323,267.30 and 483,706.80 is: 725,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,615.60 : 1,323,267.30 = 483,706.80 : x
  2. Step 2: Convert to fraction form
    882,615.60/1,323,267.30 = 483,706.80/x
  3. Step 3: Cross multiply
    882,615.60x = 1,323,267.30 × 483,706.80
  4. Step 4: Simplify right side
    882,615.60x = 640,073,391,227.64
  5. Step 5: Solve for x
    x = 640,073,391,227.64/882,615.60
  6. Step 6: Final answer
    x = 725,200.63

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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.