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Finding the Fourth Proportional to 364,064.87, 545,702.82 and 186,328.19

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Solution

The fourth proportional to 364,064.87, 545,702.82 and 186,328.19 is: 279,290.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,064.87 : 545,702.82 = 186,328.19 : x
  2. Step 2: Convert to fraction form
    364,064.87/545,702.82 = 186,328.19/x
  3. Step 3: Cross multiply
    364,064.87x = 545,702.82 × 186,328.19
  4. Step 4: Simplify right side
    364,064.87x = 101,679,815,999.98
  5. Step 5: Solve for x
    x = 101,679,815,999.98/364,064.87
  6. Step 6: Final answer
    x = 279,290.38

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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.