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Finding the Fourth Proportional to 453,044.60, 679,955.70 and 200,713.40

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Solution

The fourth proportional to 453,044.60, 679,955.70 and 200,713.40 is: 301,242.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,044.60 : 679,955.70 = 200,713.40 : x
  2. Step 2: Convert to fraction form
    453,044.60/679,955.70 = 200,713.40/x
  3. Step 3: Cross multiply
    453,044.60x = 679,955.70 × 200,713.40
  4. Step 4: Simplify right side
    453,044.60x = 136,476,220,396.38
  5. Step 5: Solve for x
    x = 136,476,220,396.38/453,044.60
  6. Step 6: Final answer
    x = 301,242.35

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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.