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Finding the Fourth Proportional to 435,767.58, 653,669.87 and 136,253.75

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Solution

The fourth proportional to 435,767.58, 653,669.87 and 136,253.75 is: 204,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,767.58 : 653,669.87 = 136,253.75 : x
  2. Step 2: Convert to fraction form
    435,767.58/653,669.87 = 136,253.75/x
  3. Step 3: Cross multiply
    435,767.58x = 653,669.87 × 136,253.75
  4. Step 4: Simplify right side
    435,767.58x = 89,064,967,099.89
  5. Step 5: Solve for x
    x = 89,064,967,099.89/435,767.58
  6. Step 6: Final answer
    x = 204,386.40

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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.