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Finding the Fourth Proportional to 922,698.40, 1,383,010.80 and 473,245.60

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Solution

The fourth proportional to 922,698.40, 1,383,010.80 and 473,245.60 is: 709,336.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,698.40 : 1,383,010.80 = 473,245.60 : x
  2. Step 2: Convert to fraction form
    922,698.40/1,383,010.80 = 473,245.60/x
  3. Step 3: Cross multiply
    922,698.40x = 1,383,010.80 × 473,245.60
  4. Step 4: Simplify right side
    922,698.40x = 654,503,775,852.48
  5. Step 5: Solve for x
    x = 654,503,775,852.48/922,698.40
  6. Step 6: Final answer
    x = 709,336.63

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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.