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Finding the Fourth Proportional to 466,593.84, 643,899.66 and 273,038.76

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Solution

The fourth proportional to 466,593.84, 643,899.66 and 273,038.76 is: 376,793.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,593.84 : 643,899.66 = 273,038.76 : x
  2. Step 2: Convert to fraction form
    466,593.84/643,899.66 = 273,038.76/x
  3. Step 3: Cross multiply
    466,593.84x = 643,899.66 × 273,038.76
  4. Step 4: Simplify right side
    466,593.84x = 175,809,564,730.82
  5. Step 5: Solve for x
    x = 175,809,564,730.82/466,593.84
  6. Step 6: Final answer
    x = 376,793.58

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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.