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Finding the Fourth Proportional to 586,536.72, 809,366.76 and 331,846.80

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Solution

The fourth proportional to 586,536.72, 809,366.76 and 331,846.80 is: 457,918.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,536.72 : 809,366.76 = 331,846.80 : x
  2. Step 2: Convert to fraction form
    586,536.72/809,366.76 = 331,846.80/x
  3. Step 3: Cross multiply
    586,536.72x = 809,366.76 × 331,846.80
  4. Step 4: Simplify right side
    586,536.72x = 268,585,769,332.37
  5. Step 5: Solve for x
    x = 268,585,769,332.37/586,536.72
  6. Step 6: Final answer
    x = 457,918.08

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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.