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Finding the Fourth Proportional to 383,524.16, 575,545.44 and 134,208.32

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Solution

The fourth proportional to 383,524.16, 575,545.44 and 134,208.32 is: 201,403.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,524.16 : 575,545.44 = 134,208.32 : x
  2. Step 2: Convert to fraction form
    383,524.16/575,545.44 = 134,208.32/x
  3. Step 3: Cross multiply
    383,524.16x = 575,545.44 × 134,208.32
  4. Step 4: Simplify right side
    383,524.16x = 77,242,986,586.06
  5. Step 5: Solve for x
    x = 77,242,986,586.06/383,524.16
  6. Step 6: Final answer
    x = 201,403.18

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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.