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Finding the Fourth Proportional to 404,873.60, 607,310.40 and 124,404.80

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Solution

The fourth proportional to 404,873.60, 607,310.40 and 124,404.80 is: 186,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,873.60 : 607,310.40 = 124,404.80 : x
  2. Step 2: Convert to fraction form
    404,873.60/607,310.40 = 124,404.80/x
  3. Step 3: Cross multiply
    404,873.60x = 607,310.40 × 124,404.80
  4. Step 4: Simplify right side
    404,873.60x = 75,552,328,849.92
  5. Step 5: Solve for x
    x = 75,552,328,849.92/404,873.60
  6. Step 6: Final answer
    x = 186,607.20

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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.