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Finding the Fourth Proportional to 545,648.00, 752,995.04 and 316,249.92

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Solution

The fourth proportional to 545,648.00, 752,995.04 and 316,249.92 is: 436,425.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,648.00 : 752,995.04 = 316,249.92 : x
  2. Step 2: Convert to fraction form
    545,648.00/752,995.04 = 316,249.92/x
  3. Step 3: Cross multiply
    545,648.00x = 752,995.04 × 316,249.92
  4. Step 4: Simplify right side
    545,648.00x = 238,134,619,579.15
  5. Step 5: Solve for x
    x = 238,134,619,579.15/545,648.00
  6. Step 6: Final answer
    x = 436,425.35

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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.