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Finding the Fourth Proportional to 560,939.28, 774,157.15 and 346,073.82

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Solution

The fourth proportional to 560,939.28, 774,157.15 and 346,073.82 is: 477,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,939.28 : 774,157.15 = 346,073.82 : x
  2. Step 2: Convert to fraction form
    560,939.28/774,157.15 = 346,073.82/x
  3. Step 3: Cross multiply
    560,939.28x = 774,157.15 × 346,073.82
  4. Step 4: Simplify right side
    560,939.28x = 267,915,517,763.65
  5. Step 5: Solve for x
    x = 267,915,517,763.65/560,939.28
  6. Step 6: Final answer
    x = 477,619.47

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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.