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Finding the Fourth Proportional to 444,023.65, 612,279.50 and 357,892.10

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Solution

The fourth proportional to 444,023.65, 612,279.50 and 357,892.10 is: 493,509.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,023.65 : 612,279.50 = 357,892.10 : x
  2. Step 2: Convert to fraction form
    444,023.65/612,279.50 = 357,892.10/x
  3. Step 3: Cross multiply
    444,023.65x = 612,279.50 × 357,892.10
  4. Step 4: Simplify right side
    444,023.65x = 219,129,991,191.09
  5. Step 5: Solve for x
    x = 219,129,991,191.09/444,023.65
  6. Step 6: Final answer
    x = 493,509.73

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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.