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Finding the Fourth Proportional to 553,590.24, 764,078.88 and 362,492.64

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Solution

The fourth proportional to 553,590.24, 764,078.88 and 362,492.64 is: 500,321.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,590.24 : 764,078.88 = 362,492.64 : x
  2. Step 2: Convert to fraction form
    553,590.24/764,078.88 = 362,492.64/x
  3. Step 3: Cross multiply
    553,590.24x = 764,078.88 × 362,492.64
  4. Step 4: Simplify right side
    553,590.24x = 276,972,970,379.44
  5. Step 5: Solve for x
    x = 276,972,970,379.44/553,590.24
  6. Step 6: Final answer
    x = 500,321.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.