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Finding the Fourth Proportional to 340,554, 469,182.06 and 268,907.88

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Solution

The fourth proportional to 340,554, 469,182.06 and 268,907.88 is: 370,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,554 : 469,182.06 = 268,907.88 : x
  2. Step 2: Convert to fraction form
    340,554/469,182.06 = 268,907.88/x
  3. Step 3: Cross multiply
    340,554x = 469,182.06 × 268,907.88
  4. Step 4: Simplify right side
    340,554x = 126,166,753,088.63
  5. Step 5: Solve for x
    x = 126,166,753,088.63/340,554
  6. Step 6: Final answer
    x = 370,475.03

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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.