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Finding the Fourth Proportional to 543,569.08, 750,004.54 and 328,704.64

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Solution

The fourth proportional to 543,569.08, 750,004.54 and 328,704.64 is: 453,539.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,569.08 : 750,004.54 = 328,704.64 : x
  2. Step 2: Convert to fraction form
    543,569.08/750,004.54 = 328,704.64/x
  3. Step 3: Cross multiply
    543,569.08x = 750,004.54 × 328,704.64
  4. Step 4: Simplify right side
    543,569.08x = 246,529,972,319.07
  5. Step 5: Solve for x
    x = 246,529,972,319.07/543,569.08
  6. Step 6: Final answer
    x = 453,539.36

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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.