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Finding the Fourth Proportional to 318,445.92, 439,459.11 and 182,477.16

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Solution

The fourth proportional to 318,445.92, 439,459.11 and 182,477.16 is: 251,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,445.92 : 439,459.11 = 182,477.16 : x
  2. Step 2: Convert to fraction form
    318,445.92/439,459.11 = 182,477.16/x
  3. Step 3: Cross multiply
    318,445.92x = 439,459.11 × 182,477.16
  4. Step 4: Simplify right side
    318,445.92x = 80,191,250,328.93
  5. Step 5: Solve for x
    x = 80,191,250,328.93/318,445.92
  6. Step 6: Final answer
    x = 251,820.62

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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.