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Finding the Fourth Proportional to 348,453.48, 480,688.73 and 227,665.47

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Solution

The fourth proportional to 348,453.48, 480,688.73 and 227,665.47 is: 314,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,453.48 : 480,688.73 = 227,665.47 : x
  2. Step 2: Convert to fraction form
    348,453.48/480,688.73 = 227,665.47/x
  3. Step 3: Cross multiply
    348,453.48x = 480,688.73 × 227,665.47
  4. Step 4: Simplify right side
    348,453.48x = 109,436,224,500.83
  5. Step 5: Solve for x
    x = 109,436,224,500.83/348,453.48
  6. Step 6: Final answer
    x = 314,062.65

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1.5x scale

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.