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Finding the Fourth Proportional to 554,882.64, 765,732.60 and 300,228.24

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Solution

The fourth proportional to 554,882.64, 765,732.60 and 300,228.24 is: 414,312.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,882.64 : 765,732.60 = 300,228.24 : x
  2. Step 2: Convert to fraction form
    554,882.64/765,732.60 = 300,228.24/x
  3. Step 3: Cross multiply
    554,882.64x = 765,732.60 × 300,228.24
  4. Step 4: Simplify right side
    554,882.64x = 229,894,550,808.62
  5. Step 5: Solve for x
    x = 229,894,550,808.62/554,882.64
  6. Step 6: Final answer
    x = 414,312.03

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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.