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Finding the Fourth Proportional to 662,052.28, 911,891.80 and 508,797.24

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Solution

The fourth proportional to 662,052.28, 911,891.80 and 508,797.24 is: 700,802.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,052.28 : 911,891.80 = 508,797.24 : x
  2. Step 2: Convert to fraction form
    662,052.28/911,891.80 = 508,797.24/x
  3. Step 3: Cross multiply
    662,052.28x = 911,891.80 × 508,797.24
  4. Step 4: Simplify right side
    662,052.28x = 463,968,031,018.63
  5. Step 5: Solve for x
    x = 463,968,031,018.63/662,052.28
  6. Step 6: Final answer
    x = 700,802.71

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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.