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Finding the Fourth Proportional to 508,961.44, 702,355.92 and 282,603.04

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Solution

The fourth proportional to 508,961.44, 702,355.92 and 282,603.04 is: 389,986.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,961.44 : 702,355.92 = 282,603.04 : x
  2. Step 2: Convert to fraction form
    508,961.44/702,355.92 = 282,603.04/x
  3. Step 3: Cross multiply
    508,961.44x = 702,355.92 × 282,603.04
  4. Step 4: Simplify right side
    508,961.44x = 198,487,918,154.00
  5. Step 5: Solve for x
    x = 198,487,918,154.00/508,961.44
  6. Step 6: Final answer
    x = 389,986.16

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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.