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Finding the Fourth Proportional to 383,504.16, 575,515.44 and 134,188.32

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Solution

The fourth proportional to 383,504.16, 575,515.44 and 134,188.32 is: 201,373.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,504.16 : 575,515.44 = 134,188.32 : x
  2. Step 2: Convert to fraction form
    383,504.16/575,515.44 = 134,188.32/x
  3. Step 3: Cross multiply
    383,504.16x = 575,515.44 × 134,188.32
  4. Step 4: Simplify right side
    383,504.16x = 77,227,450,027.66
  5. Step 5: Solve for x
    x = 77,227,450,027.66/383,504.16
  6. Step 6: Final answer
    x = 201,373.17

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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.