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Finding the Fourth Proportional to 416,966.56, 625,450 and 101,421.52

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Solution

The fourth proportional to 416,966.56, 625,450 and 101,421.52 is: 152,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,966.56 : 625,450 = 101,421.52 : x
  2. Step 2: Convert to fraction form
    416,966.56/625,450 = 101,421.52/x
  3. Step 3: Cross multiply
    416,966.56x = 625,450 × 101,421.52
  4. Step 4: Simplify right side
    416,966.56x = 63,434,089,684
  5. Step 5: Solve for x
    x = 63,434,089,684/416,966.56
  6. Step 6: Final answer
    x = 152,132.32

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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.