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Finding the Fourth Proportional to 676,497, 933,595.56 and 374,691

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Solution

The fourth proportional to 676,497, 933,595.56 and 374,691 is: 517,090.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,497 : 933,595.56 = 374,691 : x
  2. Step 2: Convert to fraction form
    676,497/933,595.56 = 374,691/x
  3. Step 3: Cross multiply
    676,497x = 933,595.56 × 374,691
  4. Step 4: Simplify right side
    676,497x = 349,809,853,971.96
  5. Step 5: Solve for x
    x = 349,809,853,971.96/676,497
  6. Step 6: Final answer
    x = 517,090.03

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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.