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Finding the Fourth Proportional to 570,812.81, 856,151.17 and 150,121.49

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Solution

The fourth proportional to 570,812.81, 856,151.17 and 150,121.49 is: 225,164.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,812.81 : 856,151.17 = 150,121.49 : x
  2. Step 2: Convert to fraction form
    570,812.81/856,151.17 = 150,121.49/x
  3. Step 3: Cross multiply
    570,812.81x = 856,151.17 × 150,121.49
  4. Step 4: Simplify right side
    570,812.81x = 128,526,684,649.58
  5. Step 5: Solve for x
    x = 128,526,684,649.58/570,812.81
  6. Step 6: Final answer
    x = 225,164.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.