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Finding the Fourth Proportional to 365,328.60, 547,992.90 and 326,837.40

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Solution

The fourth proportional to 365,328.60, 547,992.90 and 326,837.40 is: 490,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,328.60 : 547,992.90 = 326,837.40 : x
  2. Step 2: Convert to fraction form
    365,328.60/547,992.90 = 326,837.40/x
  3. Step 3: Cross multiply
    365,328.60x = 547,992.90 × 326,837.40
  4. Step 4: Simplify right side
    365,328.60x = 179,104,574,654.46
  5. Step 5: Solve for x
    x = 179,104,574,654.46/365,328.60
  6. Step 6: Final answer
    x = 490,256.10

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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.