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Finding the Fourth Proportional to 550,228.91, 759,036.44 and 359,354.03

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Solution

The fourth proportional to 550,228.91, 759,036.44 and 359,354.03 is: 495,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,228.91 : 759,036.44 = 359,354.03 : x
  2. Step 2: Convert to fraction form
    550,228.91/759,036.44 = 359,354.03/x
  3. Step 3: Cross multiply
    550,228.91x = 759,036.44 × 359,354.03
  4. Step 4: Simplify right side
    550,228.91x = 272,762,801,834.08
  5. Step 5: Solve for x
    x = 272,762,801,834.08/550,228.91
  6. Step 6: Final answer
    x = 495,726.05

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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.