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Finding the Fourth Proportional to 353,790.70, 530,102.85 and 294,304.30

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Solution

The fourth proportional to 353,790.70, 530,102.85 and 294,304.30 is: 440,971.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,790.70 : 530,102.85 = 294,304.30 : x
  2. Step 2: Convert to fraction form
    353,790.70/530,102.85 = 294,304.30/x
  3. Step 3: Cross multiply
    353,790.70x = 530,102.85 × 294,304.30
  4. Step 4: Simplify right side
    353,790.70x = 156,011,548,197.26
  5. Step 5: Solve for x
    x = 156,011,548,197.26/353,790.70
  6. Step 6: Final answer
    x = 440,971.31

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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.