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Finding the Fourth Proportional to 536,326.56, 803,265.12 and 256,040.64

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Solution

The fourth proportional to 536,326.56, 803,265.12 and 256,040.64 is: 383,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,326.56 : 803,265.12 = 256,040.64 : x
  2. Step 2: Convert to fraction form
    536,326.56/803,265.12 = 256,040.64/x
  3. Step 3: Cross multiply
    536,326.56x = 803,265.12 × 256,040.64
  4. Step 4: Simplify right side
    536,326.56x = 205,668,515,414.48
  5. Step 5: Solve for x
    x = 205,668,515,414.48/536,326.56
  6. Step 6: Final answer
    x = 383,476.28

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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.