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Finding the Fourth Proportional to 363,603.18, 545,405.00 and 174,018.98

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Solution

The fourth proportional to 363,603.18, 545,405.00 and 174,018.98 is: 261,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,603.18 : 545,405.00 = 174,018.98 : x
  2. Step 2: Convert to fraction form
    363,603.18/545,405.00 = 174,018.98/x
  3. Step 3: Cross multiply
    363,603.18x = 545,405.00 × 174,018.98
  4. Step 4: Simplify right side
    363,603.18x = 94,910,822,280.32
  5. Step 5: Solve for x
    x = 94,910,822,280.32/363,603.18
  6. Step 6: Final answer
    x = 261,028.58

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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.