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Finding the Fourth Proportional to 226,315.30, 316,426.70 and 226,315.30

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Solution

The fourth proportional to 226,315.30, 316,426.70 and 226,315.30 is: 316,426.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,315.30 : 316,426.70 = 226,315.30 : x
  2. Step 2: Convert to fraction form
    226,315.30/316,426.70 = 226,315.30/x
  3. Step 3: Cross multiply
    226,315.30x = 316,426.70 × 226,315.30
  4. Step 4: Simplify right side
    226,315.30x = 71,612,203,538.51
  5. Step 5: Solve for x
    x = 71,612,203,538.51/226,315.30
  6. Step 6: Final answer
    x = 316,426.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.