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Finding the Fourth Proportional to 443,339.16, 611,812.08 and 252,364.92

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Solution

The fourth proportional to 443,339.16, 611,812.08 and 252,364.92 is: 348,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,339.16 : 611,812.08 = 252,364.92 : x
  2. Step 2: Convert to fraction form
    443,339.16/611,812.08 = 252,364.92/x
  3. Step 3: Cross multiply
    443,339.16x = 611,812.08 × 252,364.92
  4. Step 4: Simplify right side
    443,339.16x = 154,399,906,624.23
  5. Step 5: Solve for x
    x = 154,399,906,624.23/443,339.16
  6. Step 6: Final answer
    x = 348,265.89

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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.