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Finding the Fourth Proportional to 654,585.71, 979,778.33 and 350,218.46

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Solution

The fourth proportional to 654,585.71, 979,778.33 and 350,218.46 is: 524,204.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,585.71 : 979,778.33 = 350,218.46 : x
  2. Step 2: Convert to fraction form
    654,585.71/979,778.33 = 350,218.46/x
  3. Step 3: Cross multiply
    654,585.71x = 979,778.33 × 350,218.46
  4. Step 4: Simplify right side
    654,585.71x = 343,136,452,975.08
  5. Step 5: Solve for x
    x = 343,136,452,975.08/654,585.71
  6. Step 6: Final answer
    x = 524,204.01

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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.