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Finding the Fourth Proportional to 492,085.80, 736,379.10 and 341,620.20

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Solution

The fourth proportional to 492,085.80, 736,379.10 and 341,620.20 is: 511,215.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,085.80 : 736,379.10 = 341,620.20 : x
  2. Step 2: Convert to fraction form
    492,085.80/736,379.10 = 341,620.20/x
  3. Step 3: Cross multiply
    492,085.80x = 736,379.10 × 341,620.20
  4. Step 4: Simplify right side
    492,085.80x = 251,561,975,417.82
  5. Step 5: Solve for x
    x = 251,561,975,417.82/492,085.80
  6. Step 6: Final answer
    x = 511,215.68

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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.