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Finding the Fourth Proportional to 488,212.17, 732,037.59 and 260,226.96

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Solution

The fourth proportional to 488,212.17, 732,037.59 and 260,226.96 is: 390,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,212.17 : 732,037.59 = 260,226.96 : x
  2. Step 2: Convert to fraction form
    488,212.17/732,037.59 = 260,226.96/x
  3. Step 3: Cross multiply
    488,212.17x = 732,037.59 × 260,226.96
  4. Step 4: Simplify right side
    488,212.17x = 190,495,916,651.43
  5. Step 5: Solve for x
    x = 190,495,916,651.43/488,212.17
  6. Step 6: Final answer
    x = 390,190.84

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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.