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Finding the Fourth Proportional to 554,887.92, 832,127.76 and 199,806.60

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Solution

The fourth proportional to 554,887.92, 832,127.76 and 199,806.60 is: 299,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,887.92 : 832,127.76 = 199,806.60 : x
  2. Step 2: Convert to fraction form
    554,887.92/832,127.76 = 199,806.60/x
  3. Step 3: Cross multiply
    554,887.92x = 832,127.76 × 199,806.60
  4. Step 4: Simplify right side
    554,887.92x = 166,264,618,491.22
  5. Step 5: Solve for x
    x = 166,264,618,491.22/554,887.92
  6. Step 6: Final answer
    x = 299,636.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.