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Finding the Fourth Proportional to 1,170,412, 1,615,168.56 and 633,868

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Solution

The fourth proportional to 1,170,412, 1,615,168.56 and 633,868 is: 874,737.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,412 : 1,615,168.56 = 633,868 : x
  2. Step 2: Convert to fraction form
    1,170,412/1,615,168.56 = 633,868/x
  3. Step 3: Cross multiply
    1,170,412x = 1,615,168.56 × 633,868
  4. Step 4: Simplify right side
    1,170,412x = 1,023,803,664,790.08
  5. Step 5: Solve for x
    x = 1,023,803,664,790.08/1,170,412
  6. Step 6: Final answer
    x = 874,737.84

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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.