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Finding the Fourth Proportional to 452,577.75, 678,954.05 and 172,073.19

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Solution

The fourth proportional to 452,577.75, 678,954.05 and 172,073.19 is: 258,143.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,577.75 : 678,954.05 = 172,073.19 : x
  2. Step 2: Convert to fraction form
    452,577.75/678,954.05 = 172,073.19/x
  3. Step 3: Cross multiply
    452,577.75x = 678,954.05 × 172,073.19
  4. Step 4: Simplify right side
    452,577.75x = 116,829,788,386.55
  5. Step 5: Solve for x
    x = 116,829,788,386.55/452,577.75
  6. Step 6: Final answer
    x = 258,143.02

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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.