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Finding the Fourth Proportional to 496,059.48, 684,585.48 and 281,203.72

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Solution

The fourth proportional to 496,059.48, 684,585.48 and 281,203.72 is: 388,074.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,059.48 : 684,585.48 = 281,203.72 : x
  2. Step 2: Convert to fraction form
    496,059.48/684,585.48 = 281,203.72/x
  3. Step 3: Cross multiply
    496,059.48x = 684,585.48 × 281,203.72
  4. Step 4: Simplify right side
    496,059.48x = 192,507,983,633.99
  5. Step 5: Solve for x
    x = 192,507,983,633.99/496,059.48
  6. Step 6: Final answer
    x = 388,074.40

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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.