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Finding the Fourth Proportional to 609,047.86, 913,566.74 and 476,039.92

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Solution

The fourth proportional to 609,047.86, 913,566.74 and 476,039.92 is: 714,055.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,047.86 : 913,566.74 = 476,039.92 : x
  2. Step 2: Convert to fraction form
    609,047.86/913,566.74 = 476,039.92/x
  3. Step 3: Cross multiply
    609,047.86x = 913,566.74 × 476,039.92
  4. Step 4: Simplify right side
    609,047.86x = 434,894,237,824.26
  5. Step 5: Solve for x
    x = 434,894,237,824.26/609,047.86
  6. Step 6: Final answer
    x = 714,055.93

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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.