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Finding the Fourth Proportional to 384,784.80, 530,659.20 and 241,558.16

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Solution

The fourth proportional to 384,784.80, 530,659.20 and 241,558.16 is: 333,134.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,784.80 : 530,659.20 = 241,558.16 : x
  2. Step 2: Convert to fraction form
    384,784.80/530,659.20 = 241,558.16/x
  3. Step 3: Cross multiply
    384,784.80x = 530,659.20 × 241,558.16
  4. Step 4: Simplify right side
    384,784.80x = 128,185,059,939.07
  5. Step 5: Solve for x
    x = 128,185,059,939.07/384,784.80
  6. Step 6: Final answer
    x = 333,134.42

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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.