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Finding the Fourth Proportional to 603,109.47, 902,403.04 and 359,057.87

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Solution

The fourth proportional to 603,109.47, 902,403.04 and 359,057.87 is: 537,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,109.47 : 902,403.04 = 359,057.87 : x
  2. Step 2: Convert to fraction form
    603,109.47/902,403.04 = 359,057.87/x
  3. Step 3: Cross multiply
    603,109.47x = 902,403.04 × 359,057.87
  4. Step 4: Simplify right side
    603,109.47x = 324,014,913,423.93
  5. Step 5: Solve for x
    x = 324,014,913,423.93/603,109.47
  6. Step 6: Final answer
    x = 537,240.63

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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.