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Finding the Fourth Proportional to 371,703.96, 512,953.92 and 201,938.04

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Solution

The fourth proportional to 371,703.96, 512,953.92 and 201,938.04 is: 278,675.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,703.96 : 512,953.92 = 201,938.04 : x
  2. Step 2: Convert to fraction form
    371,703.96/512,953.92 = 201,938.04/x
  3. Step 3: Cross multiply
    371,703.96x = 512,953.92 × 201,938.04
  4. Step 4: Simplify right side
    371,703.96x = 103,584,909,215.12
  5. Step 5: Solve for x
    x = 103,584,909,215.12/371,703.96
  6. Step 6: Final answer
    x = 278,675.83

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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.