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Finding the Fourth Proportional to 365,702.58, 548,578.47 and 141,064.88

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Solution

The fourth proportional to 365,702.58, 548,578.47 and 141,064.88 is: 211,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,702.58 : 548,578.47 = 141,064.88 : x
  2. Step 2: Convert to fraction form
    365,702.58/548,578.47 = 141,064.88/x
  3. Step 3: Cross multiply
    365,702.58x = 548,578.47 × 141,064.88
  4. Step 4: Simplify right side
    365,702.58x = 77,385,153,827.23
  5. Step 5: Solve for x
    x = 77,385,153,827.23/365,702.58
  6. Step 6: Final answer
    x = 211,606.80

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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.