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Finding the Fourth Proportional to 270,235.40, 372,924.94 and 147,728.32

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Solution

The fourth proportional to 270,235.40, 372,924.94 and 147,728.32 is: 203,865.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,235.40 : 372,924.94 = 147,728.32 : x
  2. Step 2: Convert to fraction form
    270,235.40/372,924.94 = 147,728.32/x
  3. Step 3: Cross multiply
    270,235.40x = 372,924.94 × 147,728.32
  4. Step 4: Simplify right side
    270,235.40x = 55,091,574,872.30
  5. Step 5: Solve for x
    x = 55,091,574,872.30/270,235.40
  6. Step 6: Final answer
    x = 203,865.13

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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.