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Finding the Fourth Proportional to 440,650.38, 608,106.51 and 239,459.34

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Solution

The fourth proportional to 440,650.38, 608,106.51 and 239,459.34 is: 330,458.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,650.38 : 608,106.51 = 239,459.34 : x
  2. Step 2: Convert to fraction form
    440,650.38/608,106.51 = 239,459.34/x
  3. Step 3: Cross multiply
    440,650.38x = 608,106.51 × 239,459.34
  4. Step 4: Simplify right side
    440,650.38x = 145,616,783,534.30
  5. Step 5: Solve for x
    x = 145,616,783,534.30/440,650.38
  6. Step 6: Final answer
    x = 330,458.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.