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Finding the Fourth Proportional to 494,463.40, 741,695.10 and 336,999.40

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Solution

The fourth proportional to 494,463.40, 741,695.10 and 336,999.40 is: 505,499.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,463.40 : 741,695.10 = 336,999.40 : x
  2. Step 2: Convert to fraction form
    494,463.40/741,695.10 = 336,999.40/x
  3. Step 3: Cross multiply
    494,463.40x = 741,695.10 × 336,999.40
  4. Step 4: Simplify right side
    494,463.40x = 249,950,803,682.94
  5. Step 5: Solve for x
    x = 249,950,803,682.94/494,463.40
  6. Step 6: Final answer
    x = 505,499.10

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Half scale
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Double scale
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Similar ratio
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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.