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Finding the Fourth Proportional to 503,689.68, 751,849.33 and 443,904.40

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Solution

The fourth proportional to 503,689.68, 751,849.33 and 443,904.40 is: 662,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,689.68 : 751,849.33 = 443,904.40 : x
  2. Step 2: Convert to fraction form
    503,689.68/751,849.33 = 443,904.40/x
  3. Step 3: Cross multiply
    503,689.68x = 751,849.33 × 443,904.40
  4. Step 4: Simplify right side
    503,689.68x = 333,749,225,724.05
  5. Step 5: Solve for x
    x = 333,749,225,724.05/503,689.68
  6. Step 6: Final answer
    x = 662,608.82

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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.