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Finding the Fourth Proportional to 380,202.55, 524,551.39 and 219,053.59

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Solution

The fourth proportional to 380,202.55, 524,551.39 and 219,053.59 is: 302,220.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,202.55 : 524,551.39 = 219,053.59 : x
  2. Step 2: Convert to fraction form
    380,202.55/524,551.39 = 219,053.59/x
  3. Step 3: Cross multiply
    380,202.55x = 524,551.39 × 219,053.59
  4. Step 4: Simplify right side
    380,202.55x = 114,904,863,259.98
  5. Step 5: Solve for x
    x = 114,904,863,259.98/380,202.55
  6. Step 6: Final answer
    x = 302,220.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.