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Finding the Fourth Proportional to 301,783.34, 452,676 and 112,285.46

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Solution

The fourth proportional to 301,783.34, 452,676 and 112,285.46 is: 168,428.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,783.34 : 452,676 = 112,285.46 : x
  2. Step 2: Convert to fraction form
    301,783.34/452,676 = 112,285.46/x
  3. Step 3: Cross multiply
    301,783.34x = 452,676 × 112,285.46
  4. Step 4: Simplify right side
    301,783.34x = 50,828,932,890.96
  5. Step 5: Solve for x
    x = 50,828,932,890.96/301,783.34
  6. Step 6: Final answer
    x = 168,428.56

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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.