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Finding the Fourth Proportional to 503,705.68, 751,873.31 and 443,920.48

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Solution

The fourth proportional to 503,705.68, 751,873.31 and 443,920.48 is: 662,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,705.68 : 751,873.31 = 443,920.48 : x
  2. Step 2: Convert to fraction form
    503,705.68/751,873.31 = 443,920.48/x
  3. Step 3: Cross multiply
    503,705.68x = 751,873.31 × 443,920.48
  4. Step 4: Simplify right side
    503,705.68x = 333,771,960,674.39
  5. Step 5: Solve for x
    x = 333,771,960,674.39/503,705.68
  6. Step 6: Final answer
    x = 662,632.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.