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Finding the Fourth Proportional to 589,150.39, 813,119.88 and 347,459.53

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Solution

The fourth proportional to 589,150.39, 813,119.88 and 347,459.53 is: 479,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,150.39 : 813,119.88 = 347,459.53 : x
  2. Step 2: Convert to fraction form
    589,150.39/813,119.88 = 347,459.53/x
  3. Step 3: Cross multiply
    589,150.39x = 813,119.88 × 347,459.53
  4. Step 4: Simplify right side
    589,150.39x = 282,526,251,338.46
  5. Step 5: Solve for x
    x = 282,526,251,338.46/589,150.39
  6. Step 6: Final answer
    x = 479,548.61

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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.