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Finding the Fourth Proportional to 469,583.28, 704,374.86 and 220,265.28

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Solution

The fourth proportional to 469,583.28, 704,374.86 and 220,265.28 is: 330,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,583.28 : 704,374.86 = 220,265.28 : x
  2. Step 2: Convert to fraction form
    469,583.28/704,374.86 = 220,265.28/x
  3. Step 3: Cross multiply
    469,583.28x = 704,374.86 × 220,265.28
  4. Step 4: Simplify right side
    469,583.28x = 155,149,325,762.86
  5. Step 5: Solve for x
    x = 155,149,325,762.86/469,583.28
  6. Step 6: Final answer
    x = 330,397.89

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Similar ratio
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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.