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Finding the Fourth Proportional to 696,953.12, 962,133.28 and 467,426.48

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Solution

The fourth proportional to 696,953.12, 962,133.28 and 467,426.48 is: 645,275.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,953.12 : 962,133.28 = 467,426.48 : x
  2. Step 2: Convert to fraction form
    696,953.12/962,133.28 = 467,426.48/x
  3. Step 3: Cross multiply
    696,953.12x = 962,133.28 × 467,426.48
  4. Step 4: Simplify right side
    696,953.12x = 449,726,572,361.25
  5. Step 5: Solve for x
    x = 449,726,572,361.25/696,953.12
  6. Step 6: Final answer
    x = 645,275.21

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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.