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Finding the Fourth Proportional to 415,790.16, 573,789.94 and 224,803.10

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Solution

The fourth proportional to 415,790.16, 573,789.94 and 224,803.10 is: 310,228.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,790.16 : 573,789.94 = 224,803.10 : x
  2. Step 2: Convert to fraction form
    415,790.16/573,789.94 = 224,803.10/x
  3. Step 3: Cross multiply
    415,790.16x = 573,789.94 × 224,803.10
  4. Step 4: Simplify right side
    415,790.16x = 128,989,753,267.85
  5. Step 5: Solve for x
    x = 128,989,753,267.85/415,790.16
  6. Step 6: Final answer
    x = 310,228.01

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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.