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Finding the Fourth Proportional to 488,464.64, 732,780.06 and 168,529.76

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Solution

The fourth proportional to 488,464.64, 732,780.06 and 168,529.76 is: 252,823.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,464.64 : 732,780.06 = 168,529.76 : x
  2. Step 2: Convert to fraction form
    488,464.64/732,780.06 = 168,529.76/x
  3. Step 3: Cross multiply
    488,464.64x = 732,780.06 × 168,529.76
  4. Step 4: Simplify right side
    488,464.64x = 123,495,247,644.59
  5. Step 5: Solve for x
    x = 123,495,247,644.59/488,464.64
  6. Step 6: Final answer
    x = 252,823.31

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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.