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Finding the Fourth Proportional to 641,963.00, 885,898.04 and 355,476.93

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Solution

The fourth proportional to 641,963.00, 885,898.04 and 355,476.93 is: 490,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,963.00 : 885,898.04 = 355,476.93 : x
  2. Step 2: Convert to fraction form
    641,963.00/885,898.04 = 355,476.93/x
  3. Step 3: Cross multiply
    641,963.00x = 885,898.04 × 355,476.93
  4. Step 4: Simplify right side
    641,963.00x = 314,916,313,774.83
  5. Step 5: Solve for x
    x = 314,916,313,774.83/641,963.00
  6. Step 6: Final answer
    x = 490,552.13

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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.