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Finding the Fourth Proportional to 565,825.13, 780,844.22 and 307,707.63

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Solution

The fourth proportional to 565,825.13, 780,844.22 and 307,707.63 is: 424,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,825.13 : 780,844.22 = 307,707.63 : x
  2. Step 2: Convert to fraction form
    565,825.13/780,844.22 = 307,707.63/x
  3. Step 3: Cross multiply
    565,825.13x = 780,844.22 × 307,707.63
  4. Step 4: Simplify right side
    565,825.13x = 240,271,718,892.64
  5. Step 5: Solve for x
    x = 240,271,718,892.64/565,825.13
  6. Step 6: Final answer
    x = 424,639.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.