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Finding the Fourth Proportional to 433,808.80, 650,653.20 and 134,495.20

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Solution

The fourth proportional to 433,808.80, 650,653.20 and 134,495.20 is: 201,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,808.80 : 650,653.20 = 134,495.20 : x
  2. Step 2: Convert to fraction form
    433,808.80/650,653.20 = 134,495.20/x
  3. Step 3: Cross multiply
    433,808.80x = 650,653.20 × 134,495.20
  4. Step 4: Simplify right side
    433,808.80x = 87,509,732,264.64
  5. Step 5: Solve for x
    x = 87,509,732,264.64/433,808.80
  6. Step 6: Final answer
    x = 201,724.20

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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.