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Finding the Fourth Proportional to 882,893.75, 1,218,021.75 and 555,627.02

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Solution

The fourth proportional to 882,893.75, 1,218,021.75 and 555,627.02 is: 766,531.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,893.75 : 1,218,021.75 = 555,627.02 : x
  2. Step 2: Convert to fraction form
    882,893.75/1,218,021.75 = 555,627.02/x
  3. Step 3: Cross multiply
    882,893.75x = 1,218,021.75 × 555,627.02
  4. Step 4: Simplify right side
    882,893.75x = 676,765,789,157.58
  5. Step 5: Solve for x
    x = 676,765,789,157.58/882,893.75
  6. Step 6: Final answer
    x = 766,531.41

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1.5x scale

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.