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Finding the Fourth Proportional to 536,154.24, 739,952 and 306,732.80

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Solution

The fourth proportional to 536,154.24, 739,952 and 306,732.80 is: 423,325.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,154.24 : 739,952 = 306,732.80 : x
  2. Step 2: Convert to fraction form
    536,154.24/739,952 = 306,732.80/x
  3. Step 3: Cross multiply
    536,154.24x = 739,952 × 306,732.80
  4. Step 4: Simplify right side
    536,154.24x = 226,967,548,825.60
  5. Step 5: Solve for x
    x = 226,967,548,825.60/536,154.24
  6. Step 6: Final answer
    x = 423,325.10

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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.