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Finding the Fourth Proportional to 603,357.38, 905,417.55 and 337,292.54

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Solution

The fourth proportional to 603,357.38, 905,417.55 and 337,292.54 is: 506,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,357.38 : 905,417.55 = 337,292.54 : x
  2. Step 2: Convert to fraction form
    603,357.38/905,417.55 = 337,292.54/x
  3. Step 3: Cross multiply
    603,357.38x = 905,417.55 × 337,292.54
  4. Step 4: Simplify right side
    603,357.38x = 305,390,585,200.08
  5. Step 5: Solve for x
    x = 305,390,585,200.08/603,357.38
  6. Step 6: Final answer
    x = 506,152.07

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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.