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Finding the Fourth Proportional to 467,903.36, 702,039.72 and 243,404.58

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Solution

The fourth proportional to 467,903.36, 702,039.72 and 243,404.58 is: 365,202.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,903.36 : 702,039.72 = 243,404.58 : x
  2. Step 2: Convert to fraction form
    467,903.36/702,039.72 = 243,404.58/x
  3. Step 3: Cross multiply
    467,903.36x = 702,039.72 × 243,404.58
  4. Step 4: Simplify right side
    467,903.36x = 170,879,683,189.92
  5. Step 5: Solve for x
    x = 170,879,683,189.92/467,903.36
  6. Step 6: Final answer
    x = 365,202.94

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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.