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Finding the Fourth Proportional to 384,810.78, 530,695.08 and 241,584.18

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Solution

The fourth proportional to 384,810.78, 530,695.08 and 241,584.18 is: 333,170.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,810.78 : 530,695.08 = 241,584.18 : x
  2. Step 2: Convert to fraction form
    384,810.78/530,695.08 = 241,584.18/x
  3. Step 3: Cross multiply
    384,810.78x = 530,695.08 × 241,584.18
  4. Step 4: Simplify right side
    384,810.78x = 128,207,535,731.83
  5. Step 5: Solve for x
    x = 128,207,535,731.83/384,810.78
  6. Step 6: Final answer
    x = 333,170.33

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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.