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Finding the Fourth Proportional to 326,311.76, 450,317.16 and 183,082.16

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Solution

The fourth proportional to 326,311.76, 450,317.16 and 183,082.16 is: 252,657.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,311.76 : 450,317.16 = 183,082.16 : x
  2. Step 2: Convert to fraction form
    326,311.76/450,317.16 = 183,082.16/x
  3. Step 3: Cross multiply
    326,311.76x = 450,317.16 × 183,082.16
  4. Step 4: Simplify right side
    326,311.76x = 82,445,038,337.87
  5. Step 5: Solve for x
    x = 82,445,038,337.87/326,311.76
  6. Step 6: Final answer
    x = 252,657.27

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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.