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Finding the Fourth Proportional to 423,556.92, 631,599.03 and 364,770.36

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Solution

The fourth proportional to 423,556.92, 631,599.03 and 364,770.36 is: 543,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,556.92 : 631,599.03 = 364,770.36 : x
  2. Step 2: Convert to fraction form
    423,556.92/631,599.03 = 364,770.36/x
  3. Step 3: Cross multiply
    423,556.92x = 631,599.03 × 364,770.36
  4. Step 4: Simplify right side
    423,556.92x = 230,388,605,548.75
  5. Step 5: Solve for x
    x = 230,388,605,548.75/423,556.92
  6. Step 6: Final answer
    x = 543,937.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.