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Finding the Fourth Proportional to 673,184.28, 928,994.22 and 371,378.28

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Solution

The fourth proportional to 673,184.28, 928,994.22 and 371,378.28 is: 512,501.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,184.28 : 928,994.22 = 371,378.28 : x
  2. Step 2: Convert to fraction form
    673,184.28/928,994.22 = 371,378.28/x
  3. Step 3: Cross multiply
    673,184.28x = 928,994.22 × 371,378.28
  4. Step 4: Simplify right side
    673,184.28x = 345,008,275,553.54
  5. Step 5: Solve for x
    x = 345,008,275,553.54/673,184.28
  6. Step 6: Final answer
    x = 512,501.98

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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.