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Finding the Fourth Proportional to 586,449.92, 809,317.95 and 331,795.64

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Solution

The fourth proportional to 586,449.92, 809,317.95 and 331,795.64 is: 457,887.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,449.92 : 809,317.95 = 331,795.64 : x
  2. Step 2: Convert to fraction form
    586,449.92/809,317.95 = 331,795.64/x
  3. Step 3: Cross multiply
    586,449.92x = 809,317.95 × 331,795.64
  4. Step 4: Simplify right side
    586,449.92x = 268,528,167,183.74
  5. Step 5: Solve for x
    x = 268,528,167,183.74/586,449.92
  6. Step 6: Final answer
    x = 457,887.64

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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.