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Finding the Fourth Proportional to 404,364.57, 557,922.81 and 266,528.22

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Solution

The fourth proportional to 404,364.57, 557,922.81 and 266,528.22 is: 367,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,364.57 : 557,922.81 = 266,528.22 : x
  2. Step 2: Convert to fraction form
    404,364.57/557,922.81 = 266,528.22/x
  3. Step 3: Cross multiply
    404,364.57x = 557,922.81 × 266,528.22
  4. Step 4: Simplify right side
    404,364.57x = 148,702,173,446.70
  5. Step 5: Solve for x
    x = 148,702,173,446.70/404,364.57
  6. Step 6: Final answer
    x = 367,742.84

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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.