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Finding the Fourth Proportional to 443,690.08, 612,401.16 and 252,816.28

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Solution

The fourth proportional to 443,690.08, 612,401.16 and 252,816.28 is: 348,948.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,690.08 : 612,401.16 = 252,816.28 : x
  2. Step 2: Convert to fraction form
    443,690.08/612,401.16 = 252,816.28/x
  3. Step 3: Cross multiply
    443,690.08x = 612,401.16 × 252,816.28
  4. Step 4: Simplify right side
    443,690.08x = 154,824,983,138.89
  5. Step 5: Solve for x
    x = 154,824,983,138.89/443,690.08
  6. Step 6: Final answer
    x = 348,948.49

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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.