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Finding the Fourth Proportional to 673,114.92, 928,730.32 and 411,403.36

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Solution

The fourth proportional to 673,114.92, 928,730.32 and 411,403.36 is: 567,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,114.92 : 928,730.32 = 411,403.36 : x
  2. Step 2: Convert to fraction form
    673,114.92/928,730.32 = 411,403.36/x
  3. Step 3: Cross multiply
    673,114.92x = 928,730.32 × 411,403.36
  4. Step 4: Simplify right side
    673,114.92x = 382,082,774,181.88
  5. Step 5: Solve for x
    x = 382,082,774,181.88/673,114.92
  6. Step 6: Final answer
    x = 567,633.79

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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.