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Finding the Fourth Proportional to 606,301.70, 908,468.40 and 381,259.40

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Solution

The fourth proportional to 606,301.70, 908,468.40 and 381,259.40 is: 571,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,301.70 : 908,468.40 = 381,259.40 : x
  2. Step 2: Convert to fraction form
    606,301.70/908,468.40 = 381,259.40/x
  3. Step 3: Cross multiply
    606,301.70x = 908,468.40 × 381,259.40
  4. Step 4: Simplify right side
    606,301.70x = 346,362,117,102.96
  5. Step 5: Solve for x
    x = 346,362,117,102.96/606,301.70
  6. Step 6: Final answer
    x = 571,270.24

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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.