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Finding the Fourth Proportional to 423,513.02, 584,371.72 and 239,750.34

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Solution

The fourth proportional to 423,513.02, 584,371.72 and 239,750.34 is: 330,812.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,513.02 : 584,371.72 = 239,750.34 : x
  2. Step 2: Convert to fraction form
    423,513.02/584,371.72 = 239,750.34/x
  3. Step 3: Cross multiply
    423,513.02x = 584,371.72 × 239,750.34
  4. Step 4: Simplify right side
    423,513.02x = 140,103,318,556.39
  5. Step 5: Solve for x
    x = 140,103,318,556.39/423,513.02
  6. Step 6: Final answer
    x = 330,812.31

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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.