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Finding the Fourth Proportional to 404,900.10, 607,364.55 and 124,416.90

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Solution

The fourth proportional to 404,900.10, 607,364.55 and 124,416.90 is: 186,629.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,900.10 : 607,364.55 = 124,416.90 : x
  2. Step 2: Convert to fraction form
    404,900.10/607,364.55 = 124,416.90/x
  3. Step 3: Cross multiply
    404,900.10x = 607,364.55 × 124,416.90
  4. Step 4: Simplify right side
    404,900.10x = 75,566,414,480.90
  5. Step 5: Solve for x
    x = 75,566,414,480.90/404,900.10
  6. Step 6: Final answer
    x = 186,629.77

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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.