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Finding the Fourth Proportional to 550,228.79, 759,036.26 and 359,353.91

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Solution

The fourth proportional to 550,228.79, 759,036.26 and 359,353.91 is: 495,725.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,228.79 : 759,036.26 = 359,353.91 : x
  2. Step 2: Convert to fraction form
    550,228.79/759,036.26 = 359,353.91/x
  3. Step 3: Cross multiply
    550,228.79x = 759,036.26 × 359,353.91
  4. Step 4: Simplify right side
    550,228.79x = 272,762,644,965.98
  5. Step 5: Solve for x
    x = 272,762,644,965.98/550,228.79
  6. Step 6: Final answer
    x = 495,725.87

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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.