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Finding the Fourth Proportional to 673,178.96, 928,989.97 and 367,254.41

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Solution

The fourth proportional to 673,178.96, 928,989.97 and 367,254.41 is: 506,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,178.96 : 928,989.97 = 367,254.41 : x
  2. Step 2: Convert to fraction form
    673,178.96/928,989.97 = 367,254.41/x
  3. Step 3: Cross multiply
    673,178.96x = 928,989.97 × 367,254.41
  4. Step 4: Simplify right side
    673,178.96x = 341,175,663,328.27
  5. Step 5: Solve for x
    x = 341,175,663,328.27/673,178.96
  6. Step 6: Final answer
    x = 506,812.73

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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.