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Finding the Fourth Proportional to 583,517.45, 805,257.59 and 325,410.71

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Solution

The fourth proportional to 583,517.45, 805,257.59 and 325,410.71 is: 449,068.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,517.45 : 805,257.59 = 325,410.71 : x
  2. Step 2: Convert to fraction form
    583,517.45/805,257.59 = 325,410.71/x
  3. Step 3: Cross multiply
    583,517.45x = 805,257.59 × 325,410.71
  4. Step 4: Simplify right side
    583,517.45x = 262,039,442,776.35
  5. Step 5: Solve for x
    x = 262,039,442,776.35/583,517.45
  6. Step 6: Final answer
    x = 449,068.73

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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.