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Finding the Fourth Proportional to 673,650.56, 929,638.56 and 371,844.56

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Solution

The fourth proportional to 673,650.56, 929,638.56 and 371,844.56 is: 513,145.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,650.56 : 929,638.56 = 371,844.56 : x
  2. Step 2: Convert to fraction form
    673,650.56/929,638.56 = 371,844.56/x
  3. Step 3: Cross multiply
    673,650.56x = 929,638.56 × 371,844.56
  4. Step 4: Simplify right side
    673,650.56x = 345,681,041,302.23
  5. Step 5: Solve for x
    x = 345,681,041,302.23/673,650.56
  6. Step 6: Final answer
    x = 513,145.93

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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.