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Finding the Fourth Proportional to 589,587.39, 813,633.30 and 334,952.55

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Solution

The fourth proportional to 589,587.39, 813,633.30 and 334,952.55 is: 462,236.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,587.39 : 813,633.30 = 334,952.55 : x
  2. Step 2: Convert to fraction form
    589,587.39/813,633.30 = 334,952.55/x
  3. Step 3: Cross multiply
    589,587.39x = 813,633.30 × 334,952.55
  4. Step 4: Simplify right side
    589,587.39x = 272,528,548,599.92
  5. Step 5: Solve for x
    x = 272,528,548,599.92/589,587.39
  6. Step 6: Final answer
    x = 462,236.05

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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.