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Finding the Fourth Proportional to 589,151.44, 813,121.34 and 347,460.60

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Solution

The fourth proportional to 589,151.44, 813,121.34 and 347,460.60 is: 479,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,151.44 : 813,121.34 = 347,460.60 : x
  2. Step 2: Convert to fraction form
    589,151.44/813,121.34 = 347,460.60/x
  3. Step 3: Cross multiply
    589,151.44x = 813,121.34 × 347,460.60
  4. Step 4: Simplify right side
    589,151.44x = 282,527,629,981.11
  5. Step 5: Solve for x
    x = 282,527,629,981.11/589,151.44
  6. Step 6: Final answer
    x = 479,550.10

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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.