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Finding the Fourth Proportional to 488,346.32, 732,435.48 and 146,784.56

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Solution

The fourth proportional to 488,346.32, 732,435.48 and 146,784.56 is: 220,151.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,346.32 : 732,435.48 = 146,784.56 : x
  2. Step 2: Convert to fraction form
    488,346.32/732,435.48 = 146,784.56/x
  3. Step 3: Cross multiply
    488,346.32x = 732,435.48 × 146,784.56
  4. Step 4: Simplify right side
    488,346.32x = 107,510,219,660.19
  5. Step 5: Solve for x
    x = 107,510,219,660.19/488,346.32
  6. Step 6: Final answer
    x = 220,151.59

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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.