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Finding the Fourth Proportional to 552,013.20, 828,019.80 and 462,783.60

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Solution

The fourth proportional to 552,013.20, 828,019.80 and 462,783.60 is: 694,175.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,013.20 : 828,019.80 = 462,783.60 : x
  2. Step 2: Convert to fraction form
    552,013.20/828,019.80 = 462,783.60/x
  3. Step 3: Cross multiply
    552,013.20x = 828,019.80 × 462,783.60
  4. Step 4: Simplify right side
    552,013.20x = 383,193,983,915.28
  5. Step 5: Solve for x
    x = 383,193,983,915.28/552,013.20
  6. Step 6: Final answer
    x = 694,175.40

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Similar ratio
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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.