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Finding the Fourth Proportional to 435,813.28, 601,179.62 and 404,987.96

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Solution

The fourth proportional to 435,813.28, 601,179.62 and 404,987.96 is: 558,657.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,813.28 : 601,179.62 = 404,987.96 : x
  2. Step 2: Convert to fraction form
    435,813.28/601,179.62 = 404,987.96/x
  3. Step 3: Cross multiply
    435,813.28x = 601,179.62 × 404,987.96
  4. Step 4: Simplify right side
    435,813.28x = 243,470,507,375.38
  5. Step 5: Solve for x
    x = 243,470,507,375.38/435,813.28
  6. Step 6: Final answer
    x = 558,657.85

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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.