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Finding the Fourth Proportional to 488,267.40, 732,401.10 and 252,071.40

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Solution

The fourth proportional to 488,267.40, 732,401.10 and 252,071.40 is: 378,107.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,267.40 : 732,401.10 = 252,071.40 : x
  2. Step 2: Convert to fraction form
    488,267.40/732,401.10 = 252,071.40/x
  3. Step 3: Cross multiply
    488,267.40x = 732,401.10 × 252,071.40
  4. Step 4: Simplify right side
    488,267.40x = 184,617,370,638.54
  5. Step 5: Solve for x
    x = 184,617,370,638.54/488,267.40
  6. Step 6: Final answer
    x = 378,107.10

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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.