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Finding the Fourth Proportional to 404,734.26, 607,130.86 and 155,416.26

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Solution

The fourth proportional to 404,734.26, 607,130.86 and 155,416.26 is: 233,135.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,734.26 : 607,130.86 = 155,416.26 : x
  2. Step 2: Convert to fraction form
    404,734.26/607,130.86 = 155,416.26/x
  3. Step 3: Cross multiply
    404,734.26x = 607,130.86 × 155,416.26
  4. Step 4: Simplify right side
    404,734.26x = 94,358,007,591.78
  5. Step 5: Solve for x
    x = 94,358,007,591.78/404,734.26
  6. Step 6: Final answer
    x = 233,135.71

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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.