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Finding the Fourth Proportional to 676,808.46, 933,646.30 and 458,943.46

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Solution

The fourth proportional to 676,808.46, 933,646.30 and 458,943.46 is: 633,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,808.46 : 933,646.30 = 458,943.46 : x
  2. Step 2: Convert to fraction form
    676,808.46/933,646.30 = 458,943.46/x
  3. Step 3: Cross multiply
    676,808.46x = 933,646.30 × 458,943.46
  4. Step 4: Simplify right side
    676,808.46x = 428,490,859,856.72
  5. Step 5: Solve for x
    x = 428,490,859,856.72/676,808.46
  6. Step 6: Final answer
    x = 633,105.06

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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.