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Finding the Fourth Proportional to 348,313.81, 480,468.92 and 219,047.24

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Solution

The fourth proportional to 348,313.81, 480,468.92 and 219,047.24 is: 302,156.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,313.81 : 480,468.92 = 219,047.24 : x
  2. Step 2: Convert to fraction form
    348,313.81/480,468.92 = 219,047.24/x
  3. Step 3: Cross multiply
    348,313.81x = 480,468.92 × 219,047.24
  4. Step 4: Simplify right side
    348,313.81x = 105,245,392,249.31
  5. Step 5: Solve for x
    x = 105,245,392,249.31/348,313.81
  6. Step 6: Final answer
    x = 302,156.82

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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.