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Finding the Fourth Proportional to 383,527.16, 575,549.94 and 134,211.32

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Solution

The fourth proportional to 383,527.16, 575,549.94 and 134,211.32 is: 201,407.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,527.16 : 575,549.94 = 134,211.32 : x
  2. Step 2: Convert to fraction form
    383,527.16/575,549.94 = 134,211.32/x
  3. Step 3: Cross multiply
    383,527.16x = 575,549.94 × 134,211.32
  4. Step 4: Simplify right side
    383,527.16x = 77,245,317,173.32
  5. Step 5: Solve for x
    x = 77,245,317,173.32/383,527.16
  6. Step 6: Final answer
    x = 201,407.68

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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.