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Finding the Fourth Proportional to 608,190.19, 911,399.51 and 292,278.04

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Solution

The fourth proportional to 608,190.19, 911,399.51 and 292,278.04 is: 437,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,190.19 : 911,399.51 = 292,278.04 : x
  2. Step 2: Convert to fraction form
    608,190.19/911,399.51 = 292,278.04/x
  3. Step 3: Cross multiply
    608,190.19x = 911,399.51 × 292,278.04
  4. Step 4: Simplify right side
    608,190.19x = 266,382,060,891.96
  5. Step 5: Solve for x
    x = 266,382,060,891.96/608,190.19
  6. Step 6: Final answer
    x = 437,991.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.