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Finding the Fourth Proportional to 602,092.80, 903,139.20 and 401,763.60

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Solution

The fourth proportional to 602,092.80, 903,139.20 and 401,763.60 is: 602,645.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,092.80 : 903,139.20 = 401,763.60 : x
  2. Step 2: Convert to fraction form
    602,092.80/903,139.20 = 401,763.60/x
  3. Step 3: Cross multiply
    602,092.80x = 903,139.20 × 401,763.60
  4. Step 4: Simplify right side
    602,092.80x = 362,848,456,293.12
  5. Step 5: Solve for x
    x = 362,848,456,293.12/602,092.80
  6. Step 6: Final answer
    x = 602,645.40

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1.5x scale

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.