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Finding the Fourth Proportional to 336,876.10, 505,314.15 and 295,404.10

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Solution

The fourth proportional to 336,876.10, 505,314.15 and 295,404.10 is: 443,106.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,876.10 : 505,314.15 = 295,404.10 : x
  2. Step 2: Convert to fraction form
    336,876.10/505,314.15 = 295,404.10/x
  3. Step 3: Cross multiply
    336,876.10x = 505,314.15 × 295,404.10
  4. Step 4: Simplify right side
    336,876.10x = 149,271,871,698.02
  5. Step 5: Solve for x
    x = 149,271,871,698.02/336,876.10
  6. Step 6: Final answer
    x = 443,106.15

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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.