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Finding the Fourth Proportional to 610,296.32, 842,195.88 and 352,153.00

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Solution

The fourth proportional to 610,296.32, 842,195.88 and 352,153.00 is: 485,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,296.32 : 842,195.88 = 352,153.00 : x
  2. Step 2: Convert to fraction form
    610,296.32/842,195.88 = 352,153.00/x
  3. Step 3: Cross multiply
    610,296.32x = 842,195.88 × 352,153.00
  4. Step 4: Simplify right side
    610,296.32x = 296,581,806,782.39
  5. Step 5: Solve for x
    x = 296,581,806,782.39/610,296.32
  6. Step 6: Final answer
    x = 485,963.61

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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.