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Finding the Fourth Proportional to 618,504.10, 927,463.74 and 239,602.30

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Solution

The fourth proportional to 618,504.10, 927,463.74 and 239,602.30 is: 359,290.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,504.10 : 927,463.74 = 239,602.30 : x
  2. Step 2: Convert to fraction form
    618,504.10/927,463.74 = 239,602.30/x
  3. Step 3: Cross multiply
    618,504.10x = 927,463.74 × 239,602.30
  4. Step 4: Simplify right side
    618,504.10x = 222,222,445,270.60
  5. Step 5: Solve for x
    x = 222,222,445,270.60/618,504.10
  6. Step 6: Final answer
    x = 359,290.17

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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.