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Finding the Fourth Proportional to 483,322.60, 725,081.10 and 404,979.40

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Solution

The fourth proportional to 483,322.60, 725,081.10 and 404,979.40 is: 607,550.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,322.60 : 725,081.10 = 404,979.40 : x
  2. Step 2: Convert to fraction form
    483,322.60/725,081.10 = 404,979.40/x
  3. Step 3: Cross multiply
    483,322.60x = 725,081.10 × 404,979.40
  4. Step 4: Simplify right side
    483,322.60x = 293,642,908,829.34
  5. Step 5: Solve for x
    x = 293,642,908,829.34/483,322.60
  6. Step 6: Final answer
    x = 607,550.54

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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.