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Finding the Fourth Proportional to 606,857.30, 910,869.15 and 307,675.70

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Solution

The fourth proportional to 606,857.30, 910,869.15 and 307,675.70 is: 461,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,857.30 : 910,869.15 = 307,675.70 : x
  2. Step 2: Convert to fraction form
    606,857.30/910,869.15 = 307,675.70/x
  3. Step 3: Cross multiply
    606,857.30x = 910,869.15 × 307,675.70
  4. Step 4: Simplify right side
    606,857.30x = 280,252,303,334.66
  5. Step 5: Solve for x
    x = 280,252,303,334.66/606,857.30
  6. Step 6: Final answer
    x = 461,809.23

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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.