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Finding the Fourth Proportional to 404,920.40, 607,380.60 and 194,507.60

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Solution

The fourth proportional to 404,920.40, 607,380.60 and 194,507.60 is: 291,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,920.40 : 607,380.60 = 194,507.60 : x
  2. Step 2: Convert to fraction form
    404,920.40/607,380.60 = 194,507.60/x
  3. Step 3: Cross multiply
    404,920.40x = 607,380.60 × 194,507.60
  4. Step 4: Simplify right side
    404,920.40x = 118,140,142,792.56
  5. Step 5: Solve for x
    x = 118,140,142,792.56/404,920.40
  6. Step 6: Final answer
    x = 291,761.40

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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.