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Finding the Fourth Proportional to 586,175.76, 809,074.59 and 331,674.57

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Solution

The fourth proportional to 586,175.76, 809,074.59 and 331,674.57 is: 457,796.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,175.76 : 809,074.59 = 331,674.57 : x
  2. Step 2: Convert to fraction form
    586,175.76/809,074.59 = 331,674.57/x
  3. Step 3: Cross multiply
    586,175.76x = 809,074.59 × 331,674.57
  4. Step 4: Simplify right side
    586,175.76x = 268,349,466,736.18
  5. Step 5: Solve for x
    x = 268,349,466,736.18/586,175.76
  6. Step 6: Final answer
    x = 457,796.94

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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.