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Finding the Fourth Proportional to 683,402.17, 943,090.51 and 377,498.28

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Solution

The fourth proportional to 683,402.17, 943,090.51 and 377,498.28 is: 520,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,402.17 : 943,090.51 = 377,498.28 : x
  2. Step 2: Convert to fraction form
    683,402.17/943,090.51 = 377,498.28/x
  3. Step 3: Cross multiply
    683,402.17x = 943,090.51 × 377,498.28
  4. Step 4: Simplify right side
    683,402.17x = 356,015,045,409.32
  5. Step 5: Solve for x
    x = 356,015,045,409.32/683,402.17
  6. Step 6: Final answer
    x = 520,945.15

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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.