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Finding the Fourth Proportional to 417,739.32, 576,482.80 and 226,754.08

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Solution

The fourth proportional to 417,739.32, 576,482.80 and 226,754.08 is: 312,922.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,739.32 : 576,482.80 = 226,754.08 : x
  2. Step 2: Convert to fraction form
    417,739.32/576,482.80 = 226,754.08/x
  3. Step 3: Cross multiply
    417,739.32x = 576,482.80 × 226,754.08
  4. Step 4: Simplify right side
    417,739.32x = 130,719,826,949.82
  5. Step 5: Solve for x
    x = 130,719,826,949.82/417,739.32
  6. Step 6: Final answer
    x = 312,922.01

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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.