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Finding the Fourth Proportional to 552,148.40, 828,222.60 and 328,199.60

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Solution

The fourth proportional to 552,148.40, 828,222.60 and 328,199.60 is: 492,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,148.40 : 828,222.60 = 328,199.60 : x
  2. Step 2: Convert to fraction form
    552,148.40/828,222.60 = 328,199.60/x
  3. Step 3: Cross multiply
    552,148.40x = 828,222.60 × 328,199.60
  4. Step 4: Simplify right side
    552,148.40x = 271,822,326,030.96
  5. Step 5: Solve for x
    x = 271,822,326,030.96/552,148.40
  6. Step 6: Final answer
    x = 492,299.40

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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.