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Finding the Fourth Proportional to 583,993.74, 805,722.65 and 325,828.83

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Solution

The fourth proportional to 583,993.74, 805,722.65 and 325,828.83 is: 449,538.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,993.74 : 805,722.65 = 325,828.83 : x
  2. Step 2: Convert to fraction form
    583,993.74/805,722.65 = 325,828.83/x
  3. Step 3: Cross multiply
    583,993.74x = 805,722.65 × 325,828.83
  4. Step 4: Simplify right side
    583,993.74x = 262,527,662,696.24
  5. Step 5: Solve for x
    x = 262,527,662,696.24/583,993.74
  6. Step 6: Final answer
    x = 449,538.49

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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.