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Finding the Fourth Proportional to 552,297.08, 830,005.70 and 327,699.76

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Solution

The fourth proportional to 552,297.08, 830,005.70 and 327,699.76 is: 492,475.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,297.08 : 830,005.70 = 327,699.76 : x
  2. Step 2: Convert to fraction form
    552,297.08/830,005.70 = 327,699.76/x
  3. Step 3: Cross multiply
    552,297.08x = 830,005.70 × 327,699.76
  4. Step 4: Simplify right side
    552,297.08x = 271,992,668,688.63
  5. Step 5: Solve for x
    x = 271,992,668,688.63/552,297.08
  6. Step 6: Final answer
    x = 492,475.30

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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.