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Finding the Fourth Proportional to 308,836.16, 426,189.84 and 174,700.16

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Solution

The fourth proportional to 308,836.16, 426,189.84 and 174,700.16 is: 241,083.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,836.16 : 426,189.84 = 174,700.16 : x
  2. Step 2: Convert to fraction form
    308,836.16/426,189.84 = 174,700.16/x
  3. Step 3: Cross multiply
    308,836.16x = 426,189.84 × 174,700.16
  4. Step 4: Simplify right side
    308,836.16x = 74,455,433,238.37
  5. Step 5: Solve for x
    x = 74,455,433,238.37/308,836.16
  6. Step 6: Final answer
    x = 241,083.92

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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.