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Finding the Fourth Proportional to 653,228.26, 901,469.25 and 358,881.77

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Solution

The fourth proportional to 653,228.26, 901,469.25 and 358,881.77 is: 495,264.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,228.26 : 901,469.25 = 358,881.77 : x
  2. Step 2: Convert to fraction form
    653,228.26/901,469.25 = 358,881.77/x
  3. Step 3: Cross multiply
    653,228.26x = 901,469.25 × 358,881.77
  4. Step 4: Simplify right side
    653,228.26x = 323,520,882,294.25
  5. Step 5: Solve for x
    x = 323,520,882,294.25/653,228.26
  6. Step 6: Final answer
    x = 495,264.68

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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.