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Finding the Fourth Proportional to 443,994.62, 666,158.58 and 266,628.92

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Solution

The fourth proportional to 443,994.62, 666,158.58 and 266,628.92 is: 400,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,994.62 : 666,158.58 = 266,628.92 : x
  2. Step 2: Convert to fraction form
    443,994.62/666,158.58 = 266,628.92/x
  3. Step 3: Cross multiply
    443,994.62x = 666,158.58 × 266,628.92
  4. Step 4: Simplify right side
    443,994.62x = 177,617,139,403.34
  5. Step 5: Solve for x
    x = 177,617,139,403.34/443,994.62
  6. Step 6: Final answer
    x = 400,043.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.