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Finding the Fourth Proportional to 586,255.76, 809,051.28 and 331,601.84

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Solution

The fourth proportional to 586,255.76, 809,051.28 and 331,601.84 is: 457,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,255.76 : 809,051.28 = 331,601.84 : x
  2. Step 2: Convert to fraction form
    586,255.76/809,051.28 = 331,601.84/x
  3. Step 3: Cross multiply
    586,255.76x = 809,051.28 × 331,601.84
  4. Step 4: Simplify right side
    586,255.76x = 268,282,893,102.36
  5. Step 5: Solve for x
    x = 268,282,893,102.36/586,255.76
  6. Step 6: Final answer
    x = 457,620.91

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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.