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Finding the Fourth Proportional to 676,266, 933,247.08 and 374,460

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Solution

The fourth proportional to 676,266, 933,247.08 and 374,460 is: 516,754.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,266 : 933,247.08 = 374,460 : x
  2. Step 2: Convert to fraction form
    676,266/933,247.08 = 374,460/x
  3. Step 3: Cross multiply
    676,266x = 933,247.08 × 374,460
  4. Step 4: Simplify right side
    676,266x = 349,463,701,576.80
  5. Step 5: Solve for x
    x = 349,463,701,576.80/676,266
  6. Step 6: Final answer
    x = 516,754.80

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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.