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Finding the Fourth Proportional to 603,108.47, 902,401.54 and 359,056.87

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Solution

The fourth proportional to 603,108.47, 902,401.54 and 359,056.87 is: 537,239.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,108.47 : 902,401.54 = 359,056.87 : x
  2. Step 2: Convert to fraction form
    603,108.47/902,401.54 = 359,056.87/x
  3. Step 3: Cross multiply
    603,108.47x = 902,401.54 × 359,056.87
  4. Step 4: Simplify right side
    603,108.47x = 324,013,472,435.58
  5. Step 5: Solve for x
    x = 324,013,472,435.58/603,108.47
  6. Step 6: Final answer
    x = 537,239.13

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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.