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Finding the Fourth Proportional to 411,064.07, 567,359.91 and 249,885

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Solution

The fourth proportional to 411,064.07, 567,359.91 and 249,885 is: 344,896.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,064.07 : 567,359.91 = 249,885 : x
  2. Step 2: Convert to fraction form
    411,064.07/567,359.91 = 249,885/x
  3. Step 3: Cross multiply
    411,064.07x = 567,359.91 × 249,885
  4. Step 4: Simplify right side
    411,064.07x = 141,774,731,110.35
  5. Step 5: Solve for x
    x = 141,774,731,110.35/411,064.07
  6. Step 6: Final answer
    x = 344,896.92

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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.