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Finding the Fourth Proportional to 634,809.06, 951,712.55 and 314,740.25

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Solution

The fourth proportional to 634,809.06, 951,712.55 and 314,740.25 is: 471,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,809.06 : 951,712.55 = 314,740.25 : x
  2. Step 2: Convert to fraction form
    634,809.06/951,712.55 = 314,740.25/x
  3. Step 3: Cross multiply
    634,809.06x = 951,712.55 × 314,740.25
  4. Step 4: Simplify right side
    634,809.06x = 299,542,239,582.87
  5. Step 5: Solve for x
    x = 299,542,239,582.87/634,809.06
  6. Step 6: Final answer
    x = 471,861.95

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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.