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Finding the Fourth Proportional to 625,530.54, 863,211.15 and 370,730.46

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Solution

The fourth proportional to 625,530.54, 863,211.15 and 370,730.46 is: 511,595.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,530.54 : 863,211.15 = 370,730.46 : x
  2. Step 2: Convert to fraction form
    625,530.54/863,211.15 = 370,730.46/x
  3. Step 3: Cross multiply
    625,530.54x = 863,211.15 × 370,730.46
  4. Step 4: Simplify right side
    625,530.54x = 320,018,666,716.63
  5. Step 5: Solve for x
    x = 320,018,666,716.63/625,530.54
  6. Step 6: Final answer
    x = 511,595.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.