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Finding the Fourth Proportional to 295,464.92, 443,419.11 and 210,065.00

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Solution

The fourth proportional to 295,464.92, 443,419.11 and 210,065.00 is: 315,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,464.92 : 443,419.11 = 210,065.00 : x
  2. Step 2: Convert to fraction form
    295,464.92/443,419.11 = 210,065.00/x
  3. Step 3: Cross multiply
    295,464.92x = 443,419.11 × 210,065.00
  4. Step 4: Simplify right side
    295,464.92x = 93,146,833,125.05
  5. Step 5: Solve for x
    x = 93,146,833,125.05/295,464.92
  6. Step 6: Final answer
    x = 315,255.14

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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.