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Finding the Fourth Proportional to 383,555.88, 575,392.93 and 130,777.25

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Solution

The fourth proportional to 383,555.88, 575,392.93 and 130,777.25 is: 196,186.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,555.88 : 575,392.93 = 130,777.25 : x
  2. Step 2: Convert to fraction form
    383,555.88/575,392.93 = 130,777.25/x
  3. Step 3: Cross multiply
    383,555.88x = 575,392.93 × 130,777.25
  4. Step 4: Simplify right side
    383,555.88x = 75,248,301,850.93
  5. Step 5: Solve for x
    x = 75,248,301,850.93/383,555.88
  6. Step 6: Final answer
    x = 196,186.02

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1.5x scale

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.