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Finding the Fourth Proportional to 270,191.76, 404,678.52 and 130,055.28

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Solution

The fourth proportional to 270,191.76, 404,678.52 and 130,055.28 is: 194,789.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,191.76 : 404,678.52 = 130,055.28 : x
  2. Step 2: Convert to fraction form
    270,191.76/404,678.52 = 130,055.28/x
  3. Step 3: Cross multiply
    270,191.76x = 404,678.52 × 130,055.28
  4. Step 4: Simplify right side
    270,191.76x = 52,630,578,228.59
  5. Step 5: Solve for x
    x = 52,630,578,228.59/270,191.76
  6. Step 6: Final answer
    x = 194,789.72

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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.