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Finding the Fourth Proportional to 450,860.16, 675,702.72 and 251,172.48

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Solution

The fourth proportional to 450,860.16, 675,702.72 and 251,172.48 is: 376,431.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,860.16 : 675,702.72 = 251,172.48 : x
  2. Step 2: Convert to fraction form
    450,860.16/675,702.72 = 251,172.48/x
  3. Step 3: Cross multiply
    450,860.16x = 675,702.72 × 251,172.48
  4. Step 4: Simplify right side
    450,860.16x = 169,717,927,925.15
  5. Step 5: Solve for x
    x = 169,717,927,925.15/450,860.16
  6. Step 6: Final answer
    x = 376,431.41

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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.