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Finding the Fourth Proportional to 453,061.35, 679,673.97 and 186,673.68

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Solution

The fourth proportional to 453,061.35, 679,673.97 and 186,673.68 is: 280,044.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,061.35 : 679,673.97 = 186,673.68 : x
  2. Step 2: Convert to fraction form
    453,061.35/679,673.97 = 186,673.68/x
  3. Step 3: Cross multiply
    453,061.35x = 679,673.97 × 186,673.68
  4. Step 4: Simplify right side
    453,061.35x = 126,877,241,180.11
  5. Step 5: Solve for x
    x = 126,877,241,180.11/453,061.35
  6. Step 6: Final answer
    x = 280,044.28

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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.