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Finding the Fourth Proportional to 320,953.34, 481,476.96 and 96,331.54

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Solution

The fourth proportional to 320,953.34, 481,476.96 and 96,331.54 is: 144,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,953.34 : 481,476.96 = 96,331.54 : x
  2. Step 2: Convert to fraction form
    320,953.34/481,476.96 = 96,331.54/x
  3. Step 3: Cross multiply
    320,953.34x = 481,476.96 × 96,331.54
  4. Step 4: Simplify right side
    320,953.34x = 46,381,417,031.32
  5. Step 5: Solve for x
    x = 46,381,417,031.32/320,953.34
  6. Step 6: Final answer
    x = 144,511.40

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1.5x scale

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.