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Finding the Fourth Proportional to 700,917.48, 967,266.96 and 378,627.58

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Solution

The fourth proportional to 700,917.48, 967,266.96 and 378,627.58 is: 522,506.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,917.48 : 967,266.96 = 378,627.58 : x
  2. Step 2: Convert to fraction form
    700,917.48/967,266.96 = 378,627.58/x
  3. Step 3: Cross multiply
    700,917.48x = 967,266.96 × 378,627.58
  4. Step 4: Simplify right side
    700,917.48x = 366,233,948,278.76
  5. Step 5: Solve for x
    x = 366,233,948,278.76/700,917.48
  6. Step 6: Final answer
    x = 522,506.51

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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.