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Finding the Fourth Proportional to 353,442.60, 488,045.04 and 327,799.60

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Solution

The fourth proportional to 353,442.60, 488,045.04 and 327,799.60 is: 452,636.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,442.60 : 488,045.04 = 327,799.60 : x
  2. Step 2: Convert to fraction form
    353,442.60/488,045.04 = 327,799.60/x
  3. Step 3: Cross multiply
    353,442.60x = 488,045.04 × 327,799.60
  4. Step 4: Simplify right side
    353,442.60x = 159,980,968,893.98
  5. Step 5: Solve for x
    x = 159,980,968,893.98/353,442.60
  6. Step 6: Final answer
    x = 452,636.35

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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.