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Finding the Fourth Proportional to 589,589.39, 813,636.06 and 334,954.55

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Solution

The fourth proportional to 589,589.39, 813,636.06 and 334,954.55 is: 462,238.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,589.39 : 813,636.06 = 334,954.55 : x
  2. Step 2: Convert to fraction form
    589,589.39/813,636.06 = 334,954.55/x
  3. Step 3: Cross multiply
    589,589.39x = 813,636.06 × 334,954.55
  4. Step 4: Simplify right side
    589,589.39x = 272,531,100,341.07
  5. Step 5: Solve for x
    x = 272,531,100,341.07/589,589.39
  6. Step 6: Final answer
    x = 462,238.81

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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.