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Finding the Fourth Proportional to 683,677.16, 943,493.52 and 377,773.32

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Solution

The fourth proportional to 683,677.16, 943,493.52 and 377,773.32 is: 521,337.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,677.16 : 943,493.52 = 377,773.32 : x
  2. Step 2: Convert to fraction form
    683,677.16/943,493.52 = 377,773.32/x
  3. Step 3: Cross multiply
    683,677.16x = 943,493.52 × 377,773.32
  4. Step 4: Simplify right side
    683,677.16x = 356,426,679,448.89
  5. Step 5: Solve for x
    x = 356,426,679,448.89/683,677.16
  6. Step 6: Final answer
    x = 521,337.70

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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.