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Finding the Fourth Proportional to 415,243.44, 573,035.81 and 224,256.87

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Solution

The fourth proportional to 415,243.44, 573,035.81 and 224,256.87 is: 309,474.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,243.44 : 573,035.81 = 224,256.87 : x
  2. Step 2: Convert to fraction form
    415,243.44/573,035.81 = 224,256.87/x
  3. Step 3: Cross multiply
    415,243.44x = 573,035.81 × 224,256.87
  4. Step 4: Simplify right side
    415,243.44x = 128,507,216,027.23
  5. Step 5: Solve for x
    x = 128,507,216,027.23/415,243.44
  6. Step 6: Final answer
    x = 309,474.40

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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.