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Finding the Fourth Proportional to 634,656.67, 952,015.77 and 208,154.77

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Solution

The fourth proportional to 634,656.67, 952,015.77 and 208,154.77 is: 312,242.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,656.67 : 952,015.77 = 208,154.77 : x
  2. Step 2: Convert to fraction form
    634,656.67/952,015.77 = 208,154.77/x
  3. Step 3: Cross multiply
    634,656.67x = 952,015.77 × 208,154.77
  4. Step 4: Simplify right side
    634,656.67x = 198,166,621,260.68
  5. Step 5: Solve for x
    x = 198,166,621,260.68/634,656.67
  6. Step 6: Final answer
    x = 312,242.24

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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.