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Finding the Fourth Proportional to 333,478.50, 500,265.83 and 108,783.34

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Solution

The fourth proportional to 333,478.50, 500,265.83 and 108,783.34 is: 163,190.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,478.50 : 500,265.83 = 108,783.34 : x
  2. Step 2: Convert to fraction form
    333,478.50/500,265.83 = 108,783.34/x
  3. Step 3: Cross multiply
    333,478.50x = 500,265.83 × 108,783.34
  4. Step 4: Simplify right side
    333,478.50x = 54,420,587,875.27
  5. Step 5: Solve for x
    x = 54,420,587,875.27/333,478.50
  6. Step 6: Final answer
    x = 163,190.69

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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.