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Finding the Fourth Proportional to 453,862.87, 680,479.02 and 201,005.56

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Solution

The fourth proportional to 453,862.87, 680,479.02 and 201,005.56 is: 301,368.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,862.87 : 680,479.02 = 201,005.56 : x
  2. Step 2: Convert to fraction form
    453,862.87/680,479.02 = 201,005.56/x
  3. Step 3: Cross multiply
    453,862.87x = 680,479.02 × 201,005.56
  4. Step 4: Simplify right side
    453,862.87x = 136,780,066,483.35
  5. Step 5: Solve for x
    x = 136,780,066,483.35/453,862.87
  6. Step 6: Final answer
    x = 301,368.71

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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.