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Finding the Fourth Proportional to 676,644.29, 933,754.82 and 370,705.76

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Solution

The fourth proportional to 676,644.29, 933,754.82 and 370,705.76 is: 511,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,644.29 : 933,754.82 = 370,705.76 : x
  2. Step 2: Convert to fraction form
    676,644.29/933,754.82 = 370,705.76/x
  3. Step 3: Cross multiply
    676,644.29x = 933,754.82 × 370,705.76
  4. Step 4: Simplify right side
    676,644.29x = 346,148,283,679.46
  5. Step 5: Solve for x
    x = 346,148,283,679.46/676,644.29
  6. Step 6: Final answer
    x = 511,566.11

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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.