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Finding the Fourth Proportional to 609,056.86, 913,580.25 and 476,048.92

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Solution

The fourth proportional to 609,056.86, 913,580.25 and 476,048.92 is: 714,069.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,056.86 : 913,580.25 = 476,048.92 : x
  2. Step 2: Convert to fraction form
    609,056.86/913,580.25 = 476,048.92/x
  3. Step 3: Cross multiply
    609,056.86x = 913,580.25 × 476,048.92
  4. Step 4: Simplify right side
    609,056.86x = 434,908,891,345.83
  5. Step 5: Solve for x
    x = 434,908,891,345.83/609,056.86
  6. Step 6: Final answer
    x = 714,069.44

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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.