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Finding the Fourth Proportional to 671,072.54, 926,080.11 and 369,266.54

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Solution

The fourth proportional to 671,072.54, 926,080.11 and 369,266.54 is: 509,587.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,072.54 : 926,080.11 = 369,266.54 : x
  2. Step 2: Convert to fraction form
    671,072.54/926,080.11 = 369,266.54/x
  3. Step 3: Cross multiply
    671,072.54x = 926,080.11 × 369,266.54
  4. Step 4: Simplify right side
    671,072.54x = 341,970,393,352.12
  5. Step 5: Solve for x
    x = 341,970,393,352.12/671,072.54
  6. Step 6: Final answer
    x = 509,587.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.