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Finding the Fourth Proportional to 468,455.39, 702,577.88 and 215,492.89

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Solution

The fourth proportional to 468,455.39, 702,577.88 and 215,492.89 is: 323,190.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,455.39 : 702,577.88 = 215,492.89 : x
  2. Step 2: Convert to fraction form
    468,455.39/702,577.88 = 215,492.89/x
  3. Step 3: Cross multiply
    468,455.39x = 702,577.88 × 215,492.89
  4. Step 4: Simplify right side
    468,455.39x = 151,400,537,811.27
  5. Step 5: Solve for x
    x = 151,400,537,811.27/468,455.39
  6. Step 6: Final answer
    x = 323,190.94

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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.