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Finding the Fourth Proportional to 609,047.11, 913,565.62 and 476,039.17

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Solution

The fourth proportional to 609,047.11, 913,565.62 and 476,039.17 is: 714,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,047.11 : 913,565.62 = 476,039.17 : x
  2. Step 2: Convert to fraction form
    609,047.11/913,565.62 = 476,039.17/x
  3. Step 3: Cross multiply
    609,047.11x = 913,565.62 × 476,039.17
  4. Step 4: Simplify right side
    609,047.11x = 434,893,019,485.34
  5. Step 5: Solve for x
    x = 434,893,019,485.34/609,047.11
  6. Step 6: Final answer
    x = 714,054.81

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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.