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Finding the Fourth Proportional to 424,796.45, 586,219.28 and 233,808.48

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Solution

The fourth proportional to 424,796.45, 586,219.28 and 233,808.48 is: 322,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,796.45 : 586,219.28 = 233,808.48 : x
  2. Step 2: Convert to fraction form
    424,796.45/586,219.28 = 233,808.48/x
  3. Step 3: Cross multiply
    424,796.45x = 586,219.28 × 233,808.48
  4. Step 4: Simplify right side
    424,796.45x = 137,063,037,634.45
  5. Step 5: Solve for x
    x = 137,063,037,634.45/424,796.45
  6. Step 6: Final answer
    x = 322,655.80

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1.5x scale

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.