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Finding the Fourth Proportional to 648,403.66, 972,654.66 and 175,082.14

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Solution

The fourth proportional to 648,403.66, 972,654.66 and 175,082.14 is: 262,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,403.66 : 972,654.66 = 175,082.14 : x
  2. Step 2: Convert to fraction form
    648,403.66/972,654.66 = 175,082.14/x
  3. Step 3: Cross multiply
    648,403.66x = 972,654.66 × 175,082.14
  4. Step 4: Simplify right side
    648,403.66x = 170,294,459,353.77
  5. Step 5: Solve for x
    x = 170,294,459,353.77/648,403.66
  6. Step 6: Final answer
    x = 262,636.49

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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.