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Finding the Fourth Proportional to 488,127.92, 673,143.35 and 380,658.74

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Solution

The fourth proportional to 488,127.92, 673,143.35 and 380,658.74 is: 524,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,127.92 : 673,143.35 = 380,658.74 : x
  2. Step 2: Convert to fraction form
    488,127.92/673,143.35 = 380,658.74/x
  3. Step 3: Cross multiply
    488,127.92x = 673,143.35 × 380,658.74
  4. Step 4: Simplify right side
    488,127.92x = 256,237,894,181.37
  5. Step 5: Solve for x
    x = 256,237,894,181.37/488,127.92
  6. Step 6: Final answer
    x = 524,940.05

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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.