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Finding the Fourth Proportional to 328,499.10, 492,748.65 and 106,883.10

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Solution

The fourth proportional to 328,499.10, 492,748.65 and 106,883.10 is: 160,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,499.10 : 492,748.65 = 106,883.10 : x
  2. Step 2: Convert to fraction form
    328,499.10/492,748.65 = 106,883.10/x
  3. Step 3: Cross multiply
    328,499.10x = 492,748.65 × 106,883.10
  4. Step 4: Simplify right side
    328,499.10x = 52,666,503,232.82
  5. Step 5: Solve for x
    x = 52,666,503,232.82/328,499.10
  6. Step 6: Final answer
    x = 160,324.65

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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.