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Finding the Fourth Proportional to 383,541.32, 575,062.86 and 158,840.84

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Solution

The fourth proportional to 383,541.32, 575,062.86 and 158,840.84 is: 238,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,541.32 : 575,062.86 = 158,840.84 : x
  2. Step 2: Convert to fraction form
    383,541.32/575,062.86 = 158,840.84/x
  3. Step 3: Cross multiply
    383,541.32x = 575,062.86 × 158,840.84
  4. Step 4: Simplify right side
    383,541.32x = 91,343,467,735.20
  5. Step 5: Solve for x
    x = 91,343,467,735.20/383,541.32
  6. Step 6: Final answer
    x = 238,158.09

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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.