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Finding the Fourth Proportional to 634,620.30, 951,930.45 and 605,095.80

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Solution

The fourth proportional to 634,620.30, 951,930.45 and 605,095.80 is: 907,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,620.30 : 951,930.45 = 605,095.80 : x
  2. Step 2: Convert to fraction form
    634,620.30/951,930.45 = 605,095.80/x
  3. Step 3: Cross multiply
    634,620.30x = 951,930.45 × 605,095.80
  4. Step 4: Simplify right side
    634,620.30x = 576,009,117,187.11
  5. Step 5: Solve for x
    x = 576,009,117,187.11/634,620.30
  6. Step 6: Final answer
    x = 907,643.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.