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Finding the Fourth Proportional to 495,459.84, 683,735.68 and 269,100.48

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Solution

The fourth proportional to 495,459.84, 683,735.68 and 269,100.48 is: 371,359.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,459.84 : 683,735.68 = 269,100.48 : x
  2. Step 2: Convert to fraction form
    495,459.84/683,735.68 = 269,100.48/x
  3. Step 3: Cross multiply
    495,459.84x = 683,735.68 × 269,100.48
  4. Step 4: Simplify right side
    495,459.84x = 183,993,599,681.13
  5. Step 5: Solve for x
    x = 183,993,599,681.13/495,459.84
  6. Step 6: Final answer
    x = 371,359.26

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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.