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Finding the Fourth Proportional to 488,096.92, 731,973.80 and 146,438.48

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Solution

The fourth proportional to 488,096.92, 731,973.80 and 146,438.48 is: 219,606.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,096.92 : 731,973.80 = 146,438.48 : x
  2. Step 2: Convert to fraction form
    488,096.92/731,973.80 = 146,438.48/x
  3. Step 3: Cross multiply
    488,096.92x = 731,973.80 × 146,438.48
  4. Step 4: Simplify right side
    488,096.92x = 107,189,130,671.82
  5. Step 5: Solve for x
    x = 107,189,130,671.82/488,096.92
  6. Step 6: Final answer
    x = 219,606.24

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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.