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Finding the Fourth Proportional to 807,200.99, 1,210,803 and 757,876.62

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Solution

The fourth proportional to 807,200.99, 1,210,803 and 757,876.62 is: 1,136,816.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,200.99 : 1,210,803 = 757,876.62 : x
  2. Step 2: Convert to fraction form
    807,200.99/1,210,803 = 757,876.62/x
  3. Step 3: Cross multiply
    807,200.99x = 1,210,803 × 757,876.62
  4. Step 4: Simplify right side
    807,200.99x = 917,639,285,125.86
  5. Step 5: Solve for x
    x = 917,639,285,125.86/807,200.99
  6. Step 6: Final answer
    x = 1,136,816.36

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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.