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Finding the Fourth Proportional to 634,533.48, 951,772.68 and 213,807.60

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Solution

The fourth proportional to 634,533.48, 951,772.68 and 213,807.60 is: 320,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,533.48 : 951,772.68 = 213,807.60 : x
  2. Step 2: Convert to fraction form
    634,533.48/951,772.68 = 213,807.60/x
  3. Step 3: Cross multiply
    634,533.48x = 951,772.68 × 213,807.60
  4. Step 4: Simplify right side
    634,533.48x = 203,496,232,456.37
  5. Step 5: Solve for x
    x = 203,496,232,456.37/634,533.48
  6. Step 6: Final answer
    x = 320,702.12

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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.