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Finding the Fourth Proportional to 512,989.52, 769,482.72 and 360,559.04

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Solution

The fourth proportional to 512,989.52, 769,482.72 and 360,559.04 is: 540,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,989.52 : 769,482.72 = 360,559.04 : x
  2. Step 2: Convert to fraction form
    512,989.52/769,482.72 = 360,559.04/x
  3. Step 3: Cross multiply
    512,989.52x = 769,482.72 × 360,559.04
  4. Step 4: Simplify right side
    512,989.52x = 277,443,946,972.38
  5. Step 5: Solve for x
    x = 277,443,946,972.38/512,989.52
  6. Step 6: Final answer
    x = 540,837.46

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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.