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Finding the Fourth Proportional to 484,020.40, 726,808.20 and 365,825.20

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Solution

The fourth proportional to 484,020.40, 726,808.20 and 365,825.20 is: 549,325.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,020.40 : 726,808.20 = 365,825.20 : x
  2. Step 2: Convert to fraction form
    484,020.40/726,808.20 = 365,825.20/x
  3. Step 3: Cross multiply
    484,020.40x = 726,808.20 × 365,825.20
  4. Step 4: Simplify right side
    484,020.40x = 265,884,755,126.64
  5. Step 5: Solve for x
    x = 265,884,755,126.64/484,020.40
  6. Step 6: Final answer
    x = 549,325.51

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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.