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Finding the Fourth Proportional to 360,387.41, 497,345.01 and 199,252.85

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Solution

The fourth proportional to 360,387.41, 497,345.01 and 199,252.85 is: 274,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,387.41 : 497,345.01 = 199,252.85 : x
  2. Step 2: Convert to fraction form
    360,387.41/497,345.01 = 199,252.85/x
  3. Step 3: Cross multiply
    360,387.41x = 497,345.01 × 199,252.85
  4. Step 4: Simplify right side
    360,387.41x = 99,097,408,189.05
  5. Step 5: Solve for x
    x = 99,097,408,189.05/360,387.41
  6. Step 6: Final answer
    x = 274,974.67

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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.