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Finding the Fourth Proportional to 334,060.80, 501,206.40 and 147,206.40

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Solution

The fourth proportional to 334,060.80, 501,206.40 and 147,206.40 is: 220,860.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,060.80 : 501,206.40 = 147,206.40 : x
  2. Step 2: Convert to fraction form
    334,060.80/501,206.40 = 147,206.40/x
  3. Step 3: Cross multiply
    334,060.80x = 501,206.40 × 147,206.40
  4. Step 4: Simplify right side
    334,060.80x = 73,780,789,800.96
  5. Step 5: Solve for x
    x = 73,780,789,800.96/334,060.80
  6. Step 6: Final answer
    x = 220,860.36

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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.