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Finding the Fourth Proportional to 589,607.40, 813,800.82 and 549,716.52

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Solution

The fourth proportional to 589,607.40, 813,800.82 and 549,716.52 is: 758,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,607.40 : 813,800.82 = 549,716.52 : x
  2. Step 2: Convert to fraction form
    589,607.40/813,800.82 = 549,716.52/x
  3. Step 3: Cross multiply
    589,607.40x = 813,800.82 × 549,716.52
  4. Step 4: Simplify right side
    589,607.40x = 447,359,754,743.55
  5. Step 5: Solve for x
    x = 447,359,754,743.55/589,607.40
  6. Step 6: Final answer
    x = 758,741.76

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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.