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Finding the Fourth Proportional to 440,652.38, 608,109.28 and 239,461.34

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Solution

The fourth proportional to 440,652.38, 608,109.28 and 239,461.34 is: 330,461.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,652.38 : 608,109.28 = 239,461.34 : x
  2. Step 2: Convert to fraction form
    440,652.38/608,109.28 = 239,461.34/x
  3. Step 3: Cross multiply
    440,652.38x = 608,109.28 × 239,461.34
  4. Step 4: Simplify right side
    440,652.38x = 145,618,663,055.24
  5. Step 5: Solve for x
    x = 145,618,663,055.24/440,652.38
  6. Step 6: Final answer
    x = 330,461.54

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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.