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Finding the Fourth Proportional to 552,468.20, 828,702.30 and 528,848.60

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Solution

The fourth proportional to 552,468.20, 828,702.30 and 528,848.60 is: 793,272.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,468.20 : 828,702.30 = 528,848.60 : x
  2. Step 2: Convert to fraction form
    552,468.20/828,702.30 = 528,848.60/x
  3. Step 3: Cross multiply
    552,468.20x = 828,702.30 × 528,848.60
  4. Step 4: Simplify right side
    552,468.20x = 438,258,051,171.78
  5. Step 5: Solve for x
    x = 438,258,051,171.78/552,468.20
  6. Step 6: Final answer
    x = 793,272.90

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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.